21455641116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{1229}}^1$

素因数の和:1405

約数の個数: 216

約数和(自身を含む): 67732872480

約数和(自身を除く): 46277231364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 73, 78, 84, 91, 117, 126, 146, 156, 182, 219, 234, 252, 273, 292, 364, 438, 468, 511, 546, 657, 819, 876, 949, 1022, 1092, 1229, 1314, 1533, 1638, 1898, 2044, 2458, 2628, 2847, 3066, 3276, 3687, 3796, 4599, 4916, 5329, 5694, 6132, 6643, 7374, 8541, 8603, 9198, 10658, 11061, 11388, 13286, 14748, 15977, 15987, 17082, 17206, 18396, 19929, 21316, 22122, 25809, 26572, 31954, 31974, 34164, 34412, 37303, 39858, 44244, 47931, 47961, 51618, 59787, 63908, 63948, 69277, 74606, 77427, 79716, 89717, 95862, 95922, 103236, 111839, 111909, 119574, 138554, 143793, 149212, 154854, 179434, 191724, 191844, 207831, 223678, 223818, 239148, 269151, 277108, 287586, 309708, 335517, 335727, 358868, 415662, 447356, 447636, 484939, 538302, 575172, 623493, 628019, 671034, 671454, 807453, 831324, 969878, 1006551, 1076604, 1166321, 1246986, 1256038, 1342068, 1342908, 1454817, 1614906, 1884057, 1939756, 2013102, 2332642, 2493972, 2512076, 2909634, 3229812, 3498963, 3768114, 4026204, 4364451, 4665284, 5652171, 5819268, 6549341, 6997926, 7536228, 8164247, 8728902, 10496889, 11304342, 13098682, 13995852, 16328494, 17457804, 19648023, 20993778, 22608684, 24492741, 26197364, 32656988, 39296046, 41987556, 45845387, 48985482, 58944069, 73478223, 78592092, 85141433, 91690774, 97970964, 117888138, 137536161, 146956446, 170282866, 183381548, 235776276, 255424299, 275072322, 293912892, 340565732, 412608483, 510848598, 550144644, 595990031, 766272897, 825216966, 1021697196, 1191980062, 1532545794, 1650433932, 1787970093, 2383960124, 3065091588, 3575940186, 5363910279, 7151880372, 10727820558, 21455641116]

約数ペア:

[(1, 21455641116), (2, 10727820558), (3, 7151880372), (4, 5363910279), (6, 3575940186), (7, 3065091588), (9, 2383960124), (12, 1787970093), (13, 1650433932), (14, 1532545794), (18, 1191980062), (21, 1021697196), (26, 825216966), (28, 766272897), (36, 595990031), (39, 550144644), (42, 510848598), (52, 412608483), (63, 340565732), (73, 293912892), (78, 275072322), (84, 255424299), (91, 235776276), (117, 183381548), (126, 170282866), (146, 146956446), (156, 137536161), (182, 117888138), (219, 97970964), (234, 91690774), (252, 85141433), (273, 78592092), (292, 73478223), (364, 58944069), (438, 48985482), (468, 45845387), (511, 41987556), (546, 39296046), (657, 32656988), (819, 26197364), (876, 24492741), (949, 22608684), (1022, 20993778), (1092, 19648023), (1229, 17457804), (1314, 16328494), (1533, 13995852), (1638, 13098682), (1898, 11304342), (2044, 10496889), (2458, 8728902), (2628, 8164247), (2847, 7536228), (3066, 6997926), (3276, 6549341), (3687, 5819268), (3796, 5652171), (4599, 4665284), (4916, 4364451), (5329, 4026204), (5694, 3768114), (6132, 3498963), (6643, 3229812), (7374, 2909634), (8541, 2512076), (8603, 2493972), (9198, 2332642), (10658, 2013102), (11061, 1939756), (11388, 1884057), (13286, 1614906), (14748, 1454817), (15977, 1342908), (15987, 1342068), (17082, 1256038), (17206, 1246986), (18396, 1166321), (19929, 1076604), (21316, 1006551), (22122, 969878), (25809, 831324), (26572, 807453), (31954, 671454), (31974, 671034), (34164, 628019), (34412, 623493), (37303, 575172), (39858, 538302), (44244, 484939), (47931, 447636), (47961, 447356), (51618, 415662), (59787, 358868), (63908, 335727), (63948, 335517), (69277, 309708), (74606, 287586), (77427, 277108), (79716, 269151), (89717, 239148), (95862, 223818), (95922, 223678), (103236, 207831), (111839, 191844), (111909, 191724), (119574, 179434), (138554, 154854), (143793, 149212)]