21119332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{881}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 39933432

約数和(自身を除く): 18814100

約数列:

[1, 2, 4, 13, 26, 52, 461, 881, 922, 1762, 1844, 3524, 5993, 11453, 11986, 22906, 23972, 45812, 406141, 812282, 1624564, 5279833, 10559666, 21119332]

約数ペア:

[(1, 21119332), (2, 10559666), (4, 5279833), (13, 1624564), (26, 812282), (52, 406141), (461, 45812), (881, 23972), (922, 22906), (1762, 11986), (1844, 11453), (3524, 5993)]