21000604355

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{142189}}^1$

素因数の和:142574

約数の個数: 16

約数和(自身を含む): 25525948800

約数和(自身を除く): 4525344445

約数列:

[1, 5, 109, 271, 545, 1355, 29539, 142189, 147695, 710945, 15498601, 38533219, 77493005, 192666095, 4200120871, 21000604355]

約数ペア:

[(1, 21000604355), (5, 4200120871), (109, 192666095), (271, 77493005), (545, 38533219), (1355, 15498601), (29539, 710945), (142189, 147695)]