21103650675

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{21767}}^1$

素因数の和:21953

約数の個数: 72

約数和(自身を含む): 39300817920

約数和(自身を除く): 18197167245

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 139, 155, 225, 279, 417, 465, 695, 775, 1251, 1395, 2085, 2325, 3475, 4309, 6255, 6975, 10425, 12927, 21545, 21767, 31275, 38781, 64635, 65301, 107725, 108835, 193905, 195903, 323175, 326505, 544175, 674777, 969525, 979515, 1632525, 2024331, 3025613, 3373885, 4897575, 6072993, 9076839, 10121655, 15128065, 16869425, 27230517, 30364965, 45384195, 50608275, 75640325, 93794003, 136152585, 151824825, 226920975, 281382009, 468970015, 680762925, 844146027, 1406910045, 2344850075, 4220730135, 7034550225, 21103650675]

約数ペア:

[(1, 21103650675), (3, 7034550225), (5, 4220730135), (9, 2344850075), (15, 1406910045), (25, 844146027), (31, 680762925), (45, 468970015), (75, 281382009), (93, 226920975), (139, 151824825), (155, 136152585), (225, 93794003), (279, 75640325), (417, 50608275), (465, 45384195), (695, 30364965), (775, 27230517), (1251, 16869425), (1395, 15128065), (2085, 10121655), (2325, 9076839), (3475, 6072993), (4309, 4897575), (6255, 3373885), (6975, 3025613), (10425, 2024331), (12927, 1632525), (21545, 979515), (21767, 969525), (31275, 674777), (38781, 544175), (64635, 326505), (65301, 323175), (107725, 195903), (108835, 193905)]