21226913188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7702073}}^1$

素因数の和:7702143

約数の個数: 24

約数和(自身を含む): 40759375608

約数和(自身を除く): 19532462420

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7702073, 15404146, 30808292, 100126949, 200253898, 400507796, 408209869, 816419738, 1632839476, 5306728297, 10613456594, 21226913188]

約数ペア:

[(1, 21226913188), (2, 10613456594), (4, 5306728297), (13, 1632839476), (26, 816419738), (52, 408209869), (53, 400507796), (106, 200253898), (212, 100126949), (689, 30808292), (1378, 15404146), (2756, 7702073)]