21519200

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 32508592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 148, 160, 185, 200, 296, 370, 400, 592, 727, 740, 800, 925, 1184, 1454, 1480, 1850, 2908, 2960, 3635, 3700, 5816, 5920, 7270, 7400, 11632, 14540, 14800, 18175, 23264, 26899, 29080, 29600, 36350, 53798, 58160, 72700, 107596, 116320, 134495, 145400, 215192, 268990, 290800, 430384, 537980, 581600, 672475, 860768, 1075960, 1344950, 2151920, 2689900, 4303840, 5379800, 10759600, 21519200]

約数ペア:

[(1, 21519200), (2, 10759600), (4, 5379800), (5, 4303840), (8, 2689900), (10, 2151920), (16, 1344950), (20, 1075960), (25, 860768), (32, 672475), (37, 581600), (40, 537980), (50, 430384), (74, 290800), (80, 268990), (100, 215192), (148, 145400), (160, 134495), (185, 116320), (200, 107596), (296, 72700), (370, 58160), (400, 53798), (592, 36350), (727, 29600), (740, 29080), (800, 26899), (925, 23264), (1184, 18175), (1454, 14800), (1480, 14540), (1850, 11632), (2908, 7400), (2960, 7270), (3635, 5920), (3700, 5816)]