21864051

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 34622640

約数和(自身を除く): 12758589

約数列:

[1, 3, 9, 11, 33, 99, 269, 807, 821, 2421, 2463, 2959, 7389, 8877, 9031, 26631, 27093, 81279, 220849, 662547, 1987641, 2429339, 7288017, 21864051]

約数ペア:

[(1, 21864051), (3, 7288017), (9, 2429339), (11, 1987641), (33, 662547), (99, 220849), (269, 81279), (807, 27093), (821, 26631), (2421, 9031), (2463, 8877), (2959, 7389)]