21403592

素因数分解:

$2^3\times 7^2\times {\mathrm{54601}}^1$

素因数の和:54621

約数の個数: 24

約数和(自身を含む): 46684710

約数和(自身を除く): 25281118

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54601, 109202, 218404, 382207, 436808, 764414, 1528828, 2675449, 3057656, 5350898, 10701796, 21403592]

約数ペア:

[(1, 21403592), (2, 10701796), (4, 5350898), (7, 3057656), (8, 2675449), (14, 1528828), (28, 764414), (49, 436808), (56, 382207), (98, 218404), (196, 109202), (392, 54601)]