21008416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4625

約数の個数: 48

約数和(自身を含む): 48601728

約数和(自身を除く): 27593312

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4591, 9182, 18364, 36728, 50501, 59683, 73456, 101002, 119366, 146912, 202004, 238732, 404008, 477464, 656513, 808016, 954928, 1313026, 1616032, 1909856, 2626052, 5252104, 10504208, 21008416]

約数ペア:

[(1, 21008416), (2, 10504208), (4, 5252104), (8, 2626052), (11, 1909856), (13, 1616032), (16, 1313026), (22, 954928), (26, 808016), (32, 656513), (44, 477464), (52, 404008), (88, 238732), (104, 202004), (143, 146912), (176, 119366), (208, 101002), (286, 73456), (352, 59683), (416, 50501), (572, 36728), (1144, 18364), (2288, 9182), (4576, 4591)]