2021845315

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{421657}}^1$

素因数の和:421806

約数の個数: 16

約数和(自身を含む): 2793062592

約数和(自身を除く): 771217277

約数列:

[1, 5, 7, 35, 137, 685, 959, 4795, 421657, 2108285, 2951599, 14757995, 57767009, 288835045, 404369063, 2021845315]

約数ペア:

[(1, 2021845315), (5, 404369063), (7, 288835045), (35, 57767009), (137, 14757995), (685, 2951599), (959, 2108285), (4795, 421657)]