21093550

素因数分解:

$2^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{1523}}^1$

素因数の和:1812

約数の個数: 24

約数和(自身を含む): 39401496

約数和(自身を除く): 18307946

約数列:

[1, 2, 5, 10, 25, 50, 277, 554, 1385, 1523, 2770, 3046, 6925, 7615, 13850, 15230, 38075, 76150, 421871, 843742, 2109355, 4218710, 10546775, 21093550]

約数ペア:

[(1, 21093550), (2, 10546775), (5, 4218710), (10, 2109355), (25, 843742), (50, 421871), (277, 76150), (554, 38075), (1385, 15230), (1523, 13850), (2770, 7615), (3046, 6925)]