21003684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134639}}^1$

素因数の和:134659

約数の個数: 24

約数和(自身を含む): 52778880

約数和(自身を除く): 31775196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134639, 269278, 403917, 538556, 807834, 1615668, 1750307, 3500614, 5250921, 7001228, 10501842, 21003684]

約数ペア:

[(1, 21003684), (2, 10501842), (3, 7001228), (4, 5250921), (6, 3500614), (12, 1750307), (13, 1615668), (26, 807834), (39, 538556), (52, 403917), (78, 269278), (156, 134639)]