21617600

素因数分解:

$2^6\times 5^2\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:310

約数の個数: 84

約数和(自身を含む): 54330600

約数和(自身を除く): 32713000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 64, 80, 100, 118, 160, 200, 229, 236, 295, 320, 400, 458, 472, 590, 800, 916, 944, 1145, 1180, 1475, 1600, 1832, 1888, 2290, 2360, 2950, 3664, 3776, 4580, 4720, 5725, 5900, 7328, 9160, 9440, 11450, 11800, 13511, 14656, 18320, 18880, 22900, 23600, 27022, 36640, 45800, 47200, 54044, 67555, 73280, 91600, 94400, 108088, 135110, 183200, 216176, 270220, 337775, 366400, 432352, 540440, 675550, 864704, 1080880, 1351100, 2161760, 2702200, 4323520, 5404400, 10808800, 21617600]

約数ペア:

[(1, 21617600), (2, 10808800), (4, 5404400), (5, 4323520), (8, 2702200), (10, 2161760), (16, 1351100), (20, 1080880), (25, 864704), (32, 675550), (40, 540440), (50, 432352), (59, 366400), (64, 337775), (80, 270220), (100, 216176), (118, 183200), (160, 135110), (200, 108088), (229, 94400), (236, 91600), (295, 73280), (320, 67555), (400, 54044), (458, 47200), (472, 45800), (590, 36640), (800, 27022), (916, 23600), (944, 22900), (1145, 18880), (1180, 18320), (1475, 14656), (1600, 13511), (1832, 11800), (1888, 11450), (2290, 9440), (2360, 9160), (2950, 7328), (3664, 5900), (3776, 5725), (4580, 4720)]