21025408

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{593}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 42108660

約数和(自身を除く): 21083252

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 593, 1108, 1186, 2216, 2372, 4432, 4744, 8864, 9488, 17728, 18976, 35456, 37952, 75904, 164261, 328522, 657044, 1314088, 2628176, 5256352, 10512704, 21025408]

約数ペア:

[(1, 21025408), (2, 10512704), (4, 5256352), (8, 2628176), (16, 1314088), (32, 657044), (64, 328522), (128, 164261), (277, 75904), (554, 37952), (593, 35456), (1108, 18976), (1186, 17728), (2216, 9488), (2372, 8864), (4432, 4744)]