21000306628

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{32713}}^1$

素因数の和:33052

約数の個数: 48

約数和(自身を含む): 42604619904

約数和(自身を除く): 21604313276

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 227, 404, 454, 707, 908, 1414, 1589, 2828, 3178, 6356, 22927, 32713, 45854, 65426, 91708, 130852, 160489, 228991, 320978, 457982, 641956, 915964, 3304013, 6608026, 7425851, 13216052, 14851702, 23128091, 29703404, 46256182, 51980957, 92512364, 103961914, 207923828, 750010951, 1500021902, 3000043804, 5250076657, 10500153314, 21000306628]

約数ペア:

[(1, 21000306628), (2, 10500153314), (4, 5250076657), (7, 3000043804), (14, 1500021902), (28, 750010951), (101, 207923828), (202, 103961914), (227, 92512364), (404, 51980957), (454, 46256182), (707, 29703404), (908, 23128091), (1414, 14851702), (1589, 13216052), (2828, 7425851), (3178, 6608026), (6356, 3304013), (22927, 915964), (32713, 641956), (45854, 457982), (65426, 320978), (91708, 228991), (130852, 160489)]