21073712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119737}}^1$

素因数の和:119756

約数の個数: 20

約数和(自身を含む): 44542536

約数和(自身を除く): 23468824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119737, 239474, 478948, 957896, 1317107, 1915792, 2634214, 5268428, 10536856, 21073712]

約数ペア:

[(1, 21073712), (2, 10536856), (4, 5268428), (8, 2634214), (11, 1915792), (16, 1317107), (22, 957896), (44, 478948), (88, 239474), (176, 119737)]