21459812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15733}}^1$

素因数の和:15779

約数の個数: 24

約数和(自身を含む): 42292992

約数和(自身を除く): 20833180

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15733, 31466, 62932, 173063, 346126, 487723, 692252, 975446, 1950892, 5364953, 10729906, 21459812]

約数ペア:

[(1, 21459812), (2, 10729906), (4, 5364953), (11, 1950892), (22, 975446), (31, 692252), (44, 487723), (62, 346126), (124, 173063), (341, 62932), (682, 31466), (1364, 15733)]