21471684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137639}}^1$

素因数の和:137659

約数の個数: 24

約数和(自身を含む): 53954880

約数和(自身を除く): 32483196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137639, 275278, 412917, 550556, 825834, 1651668, 1789307, 3578614, 5367921, 7157228, 10735842, 21471684]

約数ペア:

[(1, 21471684), (2, 10735842), (3, 7157228), (4, 5367921), (6, 3578614), (12, 1789307), (13, 1651668), (26, 825834), (39, 550556), (52, 412917), (78, 275278), (156, 137639)]