21282910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1187}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 42083712

約数和(自身を除く): 20800802

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1187, 1630, 1793, 2374, 3586, 5935, 8965, 11870, 13057, 17930, 26114, 65285, 130570, 193481, 386962, 967405, 1934810, 2128291, 4256582, 10641455, 21282910]

約数ペア:

[(1, 21282910), (2, 10641455), (5, 4256582), (10, 2128291), (11, 1934810), (22, 967405), (55, 386962), (110, 193481), (163, 130570), (326, 65285), (815, 26114), (1187, 17930), (1630, 13057), (1793, 11870), (2374, 8965), (3586, 5935)]