21853447

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{25801}}^1$

素因数の和:25830

約数の個数: 12

約数和(自身を含む): 27453328

約数和(自身を除く): 5599881

約数列:

[1, 7, 11, 77, 121, 847, 25801, 180607, 283811, 1986677, 3121921, 21853447]

約数ペア:

[(1, 21853447), (7, 3121921), (11, 1986677), (77, 283811), (121, 180607), (847, 25801)]