21966860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23369}}^1$

素因数の和:23425

約数の個数: 24

約数和(自身を含む): 47113920

約数和(自身を除く): 25147060

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 23369, 46738, 93476, 116845, 233690, 467380, 1098343, 2196686, 4393372, 5491715, 10983430, 21966860]

約数ペア:

[(1, 21966860), (2, 10983430), (4, 5491715), (5, 4393372), (10, 2196686), (20, 1098343), (47, 467380), (94, 233690), (188, 116845), (235, 93476), (470, 46738), (940, 23369)]