21906960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2467}}^1$

素因数の和:2520

約数の個数: 80

約数和(自身を含む): 69775296

約数和(自身を除く): 47868336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2467, 2960, 4440, 4934, 7401, 8880, 9868, 12335, 14802, 19736, 24670, 29604, 37005, 39472, 49340, 59208, 74010, 91279, 98680, 118416, 148020, 182558, 197360, 273837, 296040, 365116, 456395, 547674, 592080, 730232, 912790, 1095348, 1369185, 1460464, 1825580, 2190696, 2738370, 3651160, 4381392, 5476740, 7302320, 10953480, 21906960]

約数ペア:

[(1, 21906960), (2, 10953480), (3, 7302320), (4, 5476740), (5, 4381392), (6, 3651160), (8, 2738370), (10, 2190696), (12, 1825580), (15, 1460464), (16, 1369185), (20, 1095348), (24, 912790), (30, 730232), (37, 592080), (40, 547674), (48, 456395), (60, 365116), (74, 296040), (80, 273837), (111, 197360), (120, 182558), (148, 148020), (185, 118416), (222, 98680), (240, 91279), (296, 74010), (370, 59208), (444, 49340), (555, 39472), (592, 37005), (740, 29604), (888, 24670), (1110, 19736), (1480, 14802), (1776, 12335), (2220, 9868), (2467, 8880), (2960, 7401), (4440, 4934)]