20217508521

素因数分解:

$3^1\times 7^1\times {\mathrm{6037}}^1\times {\mathrm{159473}}^1$

素因数の和:165520

約数の個数: 16

約数和(自身を含む): 30812928384

約数和(自身を除く): 10595419863

約数列:

[1, 3, 7, 21, 6037, 18111, 42259, 126777, 159473, 478419, 1116311, 3348933, 962738501, 2888215503, 6739169507, 20217508521]

約数ペア:

[(1, 20217508521), (3, 6739169507), (7, 2888215503), (21, 962738501), (6037, 3348933), (18111, 1116311), (42259, 478419), (126777, 159473)]