21001676158

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{556159}}^1$

素因数の和:556479

約数の個数: 16

約数和(自身を含む): 32034816000

約数和(自身を除く): 11033139842

約数列:

[1, 2, 79, 158, 239, 478, 18881, 37762, 556159, 1112318, 43936561, 87873122, 132922001, 265844002, 10500838079, 21001676158]

約数ペア:

[(1, 21001676158), (2, 10500838079), (79, 265844002), (158, 132922001), (239, 87873122), (478, 43936561), (18881, 1112318), (37762, 556159)]