21461388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137573}}^1$

素因数の和:137593

約数の個数: 24

約数和(自身を含む): 53929008

約数和(自身を除く): 32467620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137573, 275146, 412719, 550292, 825438, 1650876, 1788449, 3576898, 5365347, 7153796, 10730694, 21461388]

約数ペア:

[(1, 21461388), (2, 10730694), (3, 7153796), (4, 5365347), (6, 3576898), (12, 1788449), (13, 1650876), (26, 825438), (39, 550292), (52, 412719), (78, 275146), (156, 137573)]