21100924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4889}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 40254480

約数和(自身を除く): 19153556

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4889, 9778, 19556, 63557, 127114, 254228, 405787, 811574, 1623148, 5275231, 10550462, 21100924]

約数ペア:

[(1, 21100924), (2, 10550462), (4, 5275231), (13, 1623148), (26, 811574), (52, 405787), (83, 254228), (166, 127114), (332, 63557), (1079, 19556), (2158, 9778), (4316, 4889)]