21818968

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44711}}^1$

素因数の和:44778

約数の個数: 16

約数和(自身を含む): 41582160

約数和(自身を除く): 19763192

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44711, 89422, 178844, 357688, 2727371, 5454742, 10909484, 21818968]

約数ペア:

[(1, 21818968), (2, 10909484), (4, 5454742), (8, 2727371), (61, 357688), (122, 178844), (244, 89422), (488, 44711)]