21378186

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22409}}^1$

素因数の和:22470

約数の個数: 24

約数和(自身を含む): 47195460

約数和(自身を除く): 25817274

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22409, 44818, 67227, 134454, 201681, 403362, 1187677, 2375354, 3563031, 7126062, 10689093, 21378186]

約数ペア:

[(1, 21378186), (2, 10689093), (3, 7126062), (6, 3563031), (9, 2375354), (18, 1187677), (53, 403362), (106, 201681), (159, 134454), (318, 67227), (477, 44818), (954, 22409)]