2021821570

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{786701}}^1$

素因数の和:786965

約数の個数: 16

約数和(自身を含む): 3653444088

約数和(自身を除く): 1631622518

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 786701, 1573402, 3933505, 7867010, 202182157, 404364314, 1010910785, 2021821570]

約数ペア:

[(1, 2021821570), (2, 1010910785), (5, 404364314), (10, 202182157), (257, 7867010), (514, 3933505), (1285, 1573402), (2570, 786701)]