21103640480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{533999}}^1$

素因数の和:534046

約数の個数: 96

約数和(自身を含む): 56518560000

約数和(自身を除く): 35414919520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 7904, 9880, 19760, 39520, 533999, 1067998, 2135996, 2669995, 4271992, 5339990, 6941987, 8543984, 10145981, 10679980, 13883974, 17087968, 20291962, 21359960, 27767948, 34709935, 40583924, 42719920, 50729905, 55535896, 69419870, 81167848, 85439840, 101459810, 111071792, 131897753, 138839740, 162335696, 202919620, 222143584, 263795506, 277679480, 324671392, 405839240, 527591012, 555358960, 659488765, 811678480, 1055182024, 1110717920, 1318977530, 1623356960, 2110364048, 2637955060, 4220728096, 5275910120, 10551820240, 21103640480]

約数ペア:

[(1, 21103640480), (2, 10551820240), (4, 5275910120), (5, 4220728096), (8, 2637955060), (10, 2110364048), (13, 1623356960), (16, 1318977530), (19, 1110717920), (20, 1055182024), (26, 811678480), (32, 659488765), (38, 555358960), (40, 527591012), (52, 405839240), (65, 324671392), (76, 277679480), (80, 263795506), (95, 222143584), (104, 202919620), (130, 162335696), (152, 138839740), (160, 131897753), (190, 111071792), (208, 101459810), (247, 85439840), (260, 81167848), (304, 69419870), (380, 55535896), (416, 50729905), (494, 42719920), (520, 40583924), (608, 34709935), (760, 27767948), (988, 21359960), (1040, 20291962), (1235, 17087968), (1520, 13883974), (1976, 10679980), (2080, 10145981), (2470, 8543984), (3040, 6941987), (3952, 5339990), (4940, 4271992), (7904, 2669995), (9880, 2135996), (19760, 1067998), (39520, 533999)]