21665358988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:940

約数の個数: 192

約数和(自身を含む): 51139379200

約数和(自身を除く): 29474020212

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 139, 182, 217, 247, 266, 278, 364, 403, 434, 494, 532, 556, 589, 727, 806, 868, 973, 988, 1178, 1454, 1612, 1729, 1807, 1946, 2356, 2641, 2821, 2908, 3458, 3614, 3892, 4123, 4309, 5089, 5282, 5642, 6916, 7228, 7657, 8246, 8618, 9451, 10178, 10564, 11284, 12649, 13813, 15314, 16492, 17236, 18487, 18902, 20356, 22537, 25298, 27626, 30163, 30628, 34333, 36974, 37804, 45074, 50596, 53599, 55252, 56017, 60326, 66157, 68666, 73948, 81871, 90148, 96691, 101053, 107198, 112034, 120652, 132314, 137332, 157759, 163742, 179569, 193382, 202106, 214396, 224068, 240331, 264628, 292981, 315518, 327484, 359138, 386764, 392119, 404212, 428203, 480662, 573097, 585962, 631036, 707371, 718276, 784238, 856406, 961324, 1064323, 1146194, 1171924, 1256983, 1313689, 1414742, 1568476, 1712812, 1920007, 2050867, 2128646, 2292388, 2513966, 2627378, 2829484, 2997421, 3132643, 3840014, 4101734, 4257292, 5027932, 5254756, 5566639, 5994842, 6265286, 7450261, 7680028, 8203468, 9195823, 11133278, 11989684, 12530572, 13440049, 14900522, 18391646, 21928501, 22266556, 24960091, 26880098, 29801044, 36783292, 38966473, 40724359, 43857002, 49920182, 53760196, 59520217, 77932946, 81448718, 87714004, 99840364, 119040434, 155865892, 162897436, 174720637, 238080868, 285070513, 349441274, 416641519, 570141026, 698882548, 773762821, 833283038, 1140282052, 1547525642, 1666566076, 3095051284, 5416339747, 10832679494, 21665358988]

約数ペア:

[(1, 21665358988), (2, 10832679494), (4, 5416339747), (7, 3095051284), (13, 1666566076), (14, 1547525642), (19, 1140282052), (26, 833283038), (28, 773762821), (31, 698882548), (38, 570141026), (52, 416641519), (62, 349441274), (76, 285070513), (91, 238080868), (124, 174720637), (133, 162897436), (139, 155865892), (182, 119040434), (217, 99840364), (247, 87714004), (266, 81448718), (278, 77932946), (364, 59520217), (403, 53760196), (434, 49920182), (494, 43857002), (532, 40724359), (556, 38966473), (589, 36783292), (727, 29801044), (806, 26880098), (868, 24960091), (973, 22266556), (988, 21928501), (1178, 18391646), (1454, 14900522), (1612, 13440049), (1729, 12530572), (1807, 11989684), (1946, 11133278), (2356, 9195823), (2641, 8203468), (2821, 7680028), (2908, 7450261), (3458, 6265286), (3614, 5994842), (3892, 5566639), (4123, 5254756), (4309, 5027932), (5089, 4257292), (5282, 4101734), (5642, 3840014), (6916, 3132643), (7228, 2997421), (7657, 2829484), (8246, 2627378), (8618, 2513966), (9451, 2292388), (10178, 2128646), (10564, 2050867), (11284, 1920007), (12649, 1712812), (13813, 1568476), (15314, 1414742), (16492, 1313689), (17236, 1256983), (18487, 1171924), (18902, 1146194), (20356, 1064323), (22537, 961324), (25298, 856406), (27626, 784238), (30163, 718276), (30628, 707371), (34333, 631036), (36974, 585962), (37804, 573097), (45074, 480662), (50596, 428203), (53599, 404212), (55252, 392119), (56017, 386764), (60326, 359138), (66157, 327484), (68666, 315518), (73948, 292981), (81871, 264628), (90148, 240331), (96691, 224068), (101053, 214396), (107198, 202106), (112034, 193382), (120652, 179569), (132314, 163742), (137332, 157759)]