21408482

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:833

約数の個数: 16

約数和(自身を含む): 32659872

約数和(自身を除く): 11251390

約数列:

[1, 2, 97, 194, 211, 422, 523, 1046, 20467, 40934, 50731, 101462, 110353, 220706, 10704241, 21408482]

約数ペア:

[(1, 21408482), (2, 10704241), (97, 220706), (194, 110353), (211, 101462), (422, 50731), (523, 40934), (1046, 20467)]