21917698

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:159

約数の個数: 36

約数和(自身を含む): 37822806

約数和(自身を除く): 15905108

約数列:

[1, 2, 11, 22, 41, 47, 82, 94, 121, 242, 451, 517, 902, 1034, 1927, 2209, 3854, 4418, 4961, 5687, 9922, 11374, 21197, 24299, 42394, 48598, 90569, 181138, 233167, 267289, 466334, 534578, 996259, 1992518, 10958849, 21917698]

約数ペア:

[(1, 21917698), (2, 10958849), (11, 1992518), (22, 996259), (41, 534578), (47, 466334), (82, 267289), (94, 233167), (121, 181138), (242, 90569), (451, 48598), (517, 42394), (902, 24299), (1034, 21197), (1927, 11374), (2209, 9922), (3854, 5687), (4418, 4961)]