21748116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1279}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 55193600

約数和(自身を除く): 33445484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1279, 1308, 1417, 2558, 2834, 3837, 4251, 5116, 5668, 7674, 8502, 15348, 16627, 17004, 33254, 49881, 66508, 99762, 139411, 199524, 278822, 418233, 557644, 836466, 1672932, 1812343, 3624686, 5437029, 7249372, 10874058, 21748116]

約数ペア:

[(1, 21748116), (2, 10874058), (3, 7249372), (4, 5437029), (6, 3624686), (12, 1812343), (13, 1672932), (26, 836466), (39, 557644), (52, 418233), (78, 278822), (109, 199524), (156, 139411), (218, 99762), (327, 66508), (436, 49881), (654, 33254), (1279, 17004), (1308, 16627), (1417, 15348), (2558, 8502), (2834, 7674), (3837, 5668), (4251, 5116)]