21957292

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3863}}^1$

素因数の和:3910

約数の個数: 36

約数和(自身を含む): 46252080

約数和(自身を除く): 24294788

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3863, 5684, 7726, 15452, 27041, 54082, 108164, 112027, 189287, 224054, 378574, 448108, 757148, 784189, 1568378, 3136756, 5489323, 10978646, 21957292]

約数ペア:

[(1, 21957292), (2, 10978646), (4, 5489323), (7, 3136756), (14, 1568378), (28, 784189), (29, 757148), (49, 448108), (58, 378574), (98, 224054), (116, 189287), (196, 112027), (203, 108164), (406, 54082), (812, 27041), (1421, 15452), (2842, 7726), (3863, 5684)]