21738772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21481}}^1$

素因数の和:21519

約数の個数: 24

約数和(自身を含む): 43307712

約数和(自身を除く): 21568940

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21481, 42962, 85924, 236291, 472582, 494063, 945164, 988126, 1976252, 5434693, 10869386, 21738772]

約数ペア:

[(1, 21738772), (2, 10869386), (4, 5434693), (11, 1976252), (22, 988126), (23, 945164), (44, 494063), (46, 472582), (92, 236291), (253, 85924), (506, 42962), (1012, 21481)]