21035191583

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{1601}}^1\times {\mathrm{18223}}^1$

素因数の和:19934

約数の個数: 16

約数和(自身を含む): 24290113536

約数和(自身を除く): 3254921953

約数列:

[1, 7, 103, 721, 1601, 11207, 18223, 127561, 164903, 1154321, 1876969, 13138783, 29175023, 204225161, 3005027369, 21035191583]

約数ペア:

[(1, 21035191583), (7, 3005027369), (103, 204225161), (721, 29175023), (1601, 13138783), (11207, 1876969), (18223, 1154321), (127561, 164903)]