21385728002

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{260801561}}^1$

素因数の和:260801604

約数の個数: 8

約数和(自身を含む): 32860996812

約数和(自身を除く): 11475268810

約数列:

[1, 2, 41, 82, 260801561, 521603122, 10692864001, 21385728002]

約数ペア:

[(1, 21385728002), (2, 10692864001), (41, 521603122), (82, 260801561)]