26221209

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1889}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 40037760

約数和(自身を除く): 13816551

約数列:

[1, 3, 7, 21, 661, 1889, 1983, 4627, 5667, 13223, 13881, 39669, 1248629, 3745887, 8740403, 26221209]

約数ペア:

[(1, 26221209), (3, 8740403), (7, 3745887), (21, 1248629), (661, 39669), (1889, 13881), (1983, 13223), (4627, 5667)]