21258642

素因数分解:

$2^1\times 3^1\times {\mathrm{277}}^1\times {\mathrm{12791}}^1$

素因数の和:13073

約数の個数: 16

約数和(自身を含む): 42674112

約数和(自身を除く): 21415470

約数列:

[1, 2, 3, 6, 277, 554, 831, 1662, 12791, 25582, 38373, 76746, 3543107, 7086214, 10629321, 21258642]

約数ペア:

[(1, 21258642), (2, 10629321), (3, 7086214), (6, 3543107), (277, 76746), (554, 38373), (831, 25582), (1662, 12791)]