21000974412

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 288

約数和(自身を含む): 60463936512

約数和(自身を除く): 39462962100

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 23, 33, 34, 44, 46, 51, 66, 68, 69, 71, 92, 102, 121, 132, 138, 142, 187, 204, 213, 242, 253, 276, 284, 363, 374, 391, 426, 484, 506, 521, 561, 726, 748, 759, 781, 782, 852, 1012, 1042, 1122, 1173, 1207, 1452, 1518, 1562, 1563, 1564, 1633, 2057, 2084, 2244, 2343, 2346, 2414, 2783, 3036, 3124, 3126, 3266, 3621, 4114, 4301, 4686, 4692, 4828, 4899, 5566, 5731, 6171, 6252, 6532, 7242, 8228, 8349, 8591, 8602, 8857, 9372, 9798, 11132, 11462, 11983, 12342, 12903, 13277, 14484, 16698, 17182, 17193, 17204, 17714, 17963, 19596, 22924, 23966, 24684, 25773, 25806, 26554, 26571, 27761, 33396, 34364, 34386, 35428, 35926, 35949, 36991, 39831, 47311, 47932, 51546, 51612, 53108, 53142, 53889, 55522, 63041, 68772, 71852, 71898, 73982, 79662, 83283, 94622, 97427, 103092, 106284, 107778, 110973, 111044, 126082, 131813, 141933, 143796, 146047, 147964, 159324, 166566, 189123, 189244, 194854, 197593, 203711, 215556, 221946, 252164, 263626, 283866, 292094, 292281, 305371, 333132, 378246, 389708, 395186, 395439, 406901, 407422, 438141, 443892, 527252, 567732, 584188, 584562, 592779, 610742, 611133, 628847, 756492, 790372, 790878, 813802, 814844, 850793, 876282, 916113, 1071697, 1169124, 1185558, 1220703, 1221484, 1222266, 1257694, 1449943, 1581756, 1627604, 1701586, 1752564, 1832226, 1886541, 2143394, 2240821, 2371116, 2441406, 2444532, 2515388, 2552379, 2899886, 3215091, 3359081, 3403172, 3664452, 3773082, 4286788, 4349829, 4475911, 4481642, 4882812, 5104758, 5799772, 6430182, 6718162, 6722463, 6917317, 7546164, 8699658, 8951822, 8963284, 9358723, 10077243, 10209516, 12860364, 13427733, 13436324, 13444926, 13834634, 14463481, 17399316, 17903644, 18717446, 20154486, 20751951, 24649031, 26855466, 26889852, 27669268, 28076169, 28926962, 37434892, 40308972, 41503902, 43390443, 49298062, 53710932, 56152338, 57853924, 73947093, 76090487, 83007804, 86780886, 98596124, 102945953, 112304676, 147894186, 152180974, 159098291, 173561772, 205891906, 228271461, 295788372, 304361948, 308837859, 318196582, 411783812, 456542922, 477294873, 617675718, 636393164, 913085844, 954589746, 1235351436, 1750081201, 1909179492, 3500162402, 5250243603, 7000324804, 10500487206, 21000974412]

約数ペア:

[(1, 21000974412), (2, 10500487206), (3, 7000324804), (4, 5250243603), (6, 3500162402), (11, 1909179492), (12, 1750081201), (17, 1235351436), (22, 954589746), (23, 913085844), (33, 636393164), (34, 617675718), (44, 477294873), (46, 456542922), (51, 411783812), (66, 318196582), (68, 308837859), (69, 304361948), (71, 295788372), (92, 228271461), (102, 205891906), (121, 173561772), (132, 159098291), (138, 152180974), (142, 147894186), (187, 112304676), (204, 102945953), (213, 98596124), (242, 86780886), (253, 83007804), (276, 76090487), (284, 73947093), (363, 57853924), (374, 56152338), (391, 53710932), (426, 49298062), (484, 43390443), (506, 41503902), (521, 40308972), (561, 37434892), (726, 28926962), (748, 28076169), (759, 27669268), (781, 26889852), (782, 26855466), (852, 24649031), (1012, 20751951), (1042, 20154486), (1122, 18717446), (1173, 17903644), (1207, 17399316), (1452, 14463481), (1518, 13834634), (1562, 13444926), (1563, 13436324), (1564, 13427733), (1633, 12860364), (2057, 10209516), (2084, 10077243), (2244, 9358723), (2343, 8963284), (2346, 8951822), (2414, 8699658), (2783, 7546164), (3036, 6917317), (3124, 6722463), (3126, 6718162), (3266, 6430182), (3621, 5799772), (4114, 5104758), (4301, 4882812), (4686, 4481642), (4692, 4475911), (4828, 4349829), (4899, 4286788), (5566, 3773082), (5731, 3664452), (6171, 3403172), (6252, 3359081), (6532, 3215091), (7242, 2899886), (8228, 2552379), (8349, 2515388), (8591, 2444532), (8602, 2441406), (8857, 2371116), (9372, 2240821), (9798, 2143394), (11132, 1886541), (11462, 1832226), (11983, 1752564), (12342, 1701586), (12903, 1627604), (13277, 1581756), (14484, 1449943), (16698, 1257694), (17182, 1222266), (17193, 1221484), (17204, 1220703), (17714, 1185558), (17963, 1169124), (19596, 1071697), (22924, 916113), (23966, 876282), (24684, 850793), (25773, 814844), (25806, 813802), (26554, 790878), (26571, 790372), (27761, 756492), (33396, 628847), (34364, 611133), (34386, 610742), (35428, 592779), (35926, 584562), (35949, 584188), (36991, 567732), (39831, 527252), (47311, 443892), (47932, 438141), (51546, 407422), (51612, 406901), (53108, 395439), (53142, 395186), (53889, 389708), (55522, 378246), (63041, 333132), (68772, 305371), (71852, 292281), (71898, 292094), (73982, 283866), (79662, 263626), (83283, 252164), (94622, 221946), (97427, 215556), (103092, 203711), (106284, 197593), (107778, 194854), (110973, 189244), (111044, 189123), (126082, 166566), (131813, 159324), (141933, 147964), (143796, 146047)]