21664676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3877}}^1$

素因数の和:4019

約数の個数: 24

約数和(自身を含む): 41696256

約数和(自身を除く): 20031580

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3877, 5588, 7754, 15508, 42647, 85294, 170588, 492379, 984758, 1969516, 5416169, 10832338, 21664676]

約数ペア:

[(1, 21664676), (2, 10832338), (4, 5416169), (11, 1969516), (22, 984758), (44, 492379), (127, 170588), (254, 85294), (508, 42647), (1397, 15508), (2794, 7754), (3877, 5588)]