21908770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1327}}^1$

素因数の和:1474

約数の個数: 32

約数和(自身を含む): 42835968

約数和(自身を除く): 20927198

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1327, 1651, 2654, 3302, 6635, 8255, 13270, 16510, 17251, 34502, 86255, 168529, 172510, 337058, 842645, 1685290, 2190877, 4381754, 10954385, 21908770]

約数ペア:

[(1, 21908770), (2, 10954385), (5, 4381754), (10, 2190877), (13, 1685290), (26, 842645), (65, 337058), (127, 172510), (130, 168529), (254, 86255), (635, 34502), (1270, 17251), (1327, 16510), (1651, 13270), (2654, 8255), (3302, 6635)]