20210815866

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{5238677}}^1$

素因数の和:5239325

約数の個数: 16

約数和(自身を含む): 40484503584

約数和(自身を除く): 20273687718

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 5238677, 10477354, 15716031, 31432062, 3368469311, 6736938622, 10105407933, 20210815866]

約数ペア:

[(1, 20210815866), (2, 10105407933), (3, 6736938622), (6, 3368469311), (643, 31432062), (1286, 15716031), (1929, 10477354), (3858, 5238677)]