21518948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2099}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 19758652

約数列:

[1, 2, 4, 11, 22, 44, 233, 466, 932, 2099, 2563, 4198, 5126, 8396, 10252, 23089, 46178, 92356, 489067, 978134, 1956268, 5379737, 10759474, 21518948]

約数ペア:

[(1, 21518948), (2, 10759474), (4, 5379737), (11, 1956268), (22, 978134), (44, 489067), (233, 92356), (466, 46178), (932, 23089), (2099, 10252), (2563, 8396), (4198, 5126)]