21971326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20611}}^1$

素因数の和:20667

約数の個数: 16

約数和(自身を含む): 36359568

約数和(自身を除く): 14388242

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20611, 41222, 267943, 535886, 845051, 1690102, 10985663, 21971326]

約数ペア:

[(1, 21971326), (2, 10985663), (13, 1690102), (26, 845051), (41, 535886), (82, 267943), (533, 41222), (1066, 20611)]