21966266

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19861}}^1$

素因数の和:19949

約数の個数: 16

約数和(自身を含む): 38135040

約数和(自身を除く): 16168774

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19861, 39722, 139027, 278054, 1569019, 3138038, 10983133, 21966266]

約数ペア:

[(1, 21966266), (2, 10983133), (7, 3138038), (14, 1569019), (79, 278054), (158, 139027), (553, 39722), (1106, 19861)]