21051910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2088

約数の個数: 32

約数和(自身を含む): 41785632

約数和(自身を除く): 20733722

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 194, 485, 970, 1067, 1973, 2134, 3946, 5335, 9865, 10670, 19730, 21703, 43406, 108515, 191381, 217030, 382762, 956905, 1913810, 2105191, 4210382, 10525955, 21051910]

約数ペア:

[(1, 21051910), (2, 10525955), (5, 4210382), (10, 2105191), (11, 1913810), (22, 956905), (55, 382762), (97, 217030), (110, 191381), (194, 108515), (485, 43406), (970, 21703), (1067, 19730), (1973, 10670), (2134, 9865), (3946, 5335)]