21939946

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11783}}^1$

素因数の和:11818

約数の個数: 24

約数和(自身を含む): 40301280

約数和(自身を除く): 18361334

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11783, 23566, 82481, 164962, 223877, 447754, 577367, 1154734, 1567139, 3134278, 10969973, 21939946]

約数ペア:

[(1, 21939946), (2, 10969973), (7, 3134278), (14, 1567139), (19, 1154734), (38, 577367), (49, 447754), (98, 223877), (133, 164962), (266, 82481), (931, 23566), (1862, 11783)]