21089060

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1709}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 44384760

約数和(自身を除く): 23295700

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1709, 2468, 3085, 3418, 6170, 6836, 8545, 12340, 17090, 34180, 1054453, 2108906, 4217812, 5272265, 10544530, 21089060]

約数ペア:

[(1, 21089060), (2, 10544530), (4, 5272265), (5, 4217812), (10, 2108906), (20, 1054453), (617, 34180), (1234, 17090), (1709, 12340), (2468, 8545), (3085, 6836), (3418, 6170)]