21000902581

素因数分解:

${\mathrm{73}}^1\times {\mathrm{811}}^1\times {\mathrm{354727}}^1$

素因数の和:355611

約数の個数: 8

約数和(自身を含む): 21314896064

約数和(自身を除く): 313993483

約数列:

[1, 73, 811, 59203, 354727, 25895071, 287683597, 21000902581]

約数ペア:

[(1, 21000902581), (73, 287683597), (811, 25895071), (59203, 354727)]