21298383960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{111697}}^1$

素因数の和:111945

約数の個数: 128

約数和(自身を含む): 73345374720

約数和(自身を除く): 52046990760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 681, 840, 908, 1135, 1362, 1589, 1816, 2270, 2724, 3178, 3405, 4540, 4767, 5448, 6356, 6810, 7945, 9080, 9534, 12712, 13620, 15890, 19068, 23835, 27240, 31780, 38136, 47670, 63560, 95340, 111697, 190680, 223394, 335091, 446788, 558485, 670182, 781879, 893576, 1116970, 1340364, 1563758, 1675455, 2233940, 2345637, 2680728, 3127516, 3350910, 3909395, 4467880, 4691274, 6255032, 6701820, 7818790, 9382548, 11728185, 13403640, 15637580, 18765096, 23456370, 25355219, 31275160, 46912740, 50710438, 76065657, 93825480, 101420876, 126776095, 152131314, 177486533, 202841752, 253552190, 304262628, 354973066, 380328285, 507104380, 532459599, 608525256, 709946132, 760656570, 887432665, 1014208760, 1064919198, 1419892264, 1521313140, 1774865330, 2129838396, 2662297995, 3042626280, 3549730660, 4259676792, 5324595990, 7099461320, 10649191980, 21298383960]

約数ペア:

[(1, 21298383960), (2, 10649191980), (3, 7099461320), (4, 5324595990), (5, 4259676792), (6, 3549730660), (7, 3042626280), (8, 2662297995), (10, 2129838396), (12, 1774865330), (14, 1521313140), (15, 1419892264), (20, 1064919198), (21, 1014208760), (24, 887432665), (28, 760656570), (30, 709946132), (35, 608525256), (40, 532459599), (42, 507104380), (56, 380328285), (60, 354973066), (70, 304262628), (84, 253552190), (105, 202841752), (120, 177486533), (140, 152131314), (168, 126776095), (210, 101420876), (227, 93825480), (280, 76065657), (420, 50710438), (454, 46912740), (681, 31275160), (840, 25355219), (908, 23456370), (1135, 18765096), (1362, 15637580), (1589, 13403640), (1816, 11728185), (2270, 9382548), (2724, 7818790), (3178, 6701820), (3405, 6255032), (4540, 4691274), (4767, 4467880), (5448, 3909395), (6356, 3350910), (6810, 3127516), (7945, 2680728), (9080, 2345637), (9534, 2233940), (12712, 1675455), (13620, 1563758), (15890, 1340364), (19068, 1116970), (23835, 893576), (27240, 781879), (31780, 670182), (38136, 558485), (47670, 446788), (63560, 335091), (95340, 223394), (111697, 190680)]