21727724

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2459}}^1$

素因数の和:2557

約数の個数: 18

約数和(自身を含む): 38865540

約数和(自身を除く): 17137816

約数列:

[1, 2, 4, 47, 94, 188, 2209, 2459, 4418, 4918, 8836, 9836, 115573, 231146, 462292, 5431931, 10863862, 21727724]

約数ペア:

[(1, 21727724), (2, 10863862), (4, 5431931), (47, 462292), (94, 231146), (188, 115573), (2209, 9836), (2459, 8836), (4418, 4918)]