21458822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139343}}^1$

素因数の和:139363

約数の個数: 16

約数和(自身を含む): 40131072

約数和(自身を除く): 18672250

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139343, 278686, 975401, 1532773, 1950802, 3065546, 10729411, 21458822]

約数ペア:

[(1, 21458822), (2, 10729411), (7, 3065546), (11, 1950802), (14, 1532773), (22, 975401), (77, 278686), (154, 139343)]