21914931

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 29887488

約数和(自身を除く): 7972557

約数列:

[1, 3, 71, 137, 213, 411, 751, 2253, 9727, 29181, 53321, 102887, 159963, 308661, 7304977, 21914931]

約数ペア:

[(1, 21914931), (3, 7304977), (71, 308661), (137, 159963), (213, 102887), (411, 53321), (751, 29181), (2253, 9727)]