21900618

素因数分解:

$2^1\times 3^8\times {\mathrm{1669}}^1$

素因数の和:1695

約数の個数: 36

約数和(自身を含む): 49303410

約数和(自身を除く): 27402792

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1669, 2187, 3338, 4374, 5007, 6561, 10014, 13122, 15021, 30042, 45063, 90126, 135189, 270378, 405567, 811134, 1216701, 2433402, 3650103, 7300206, 10950309, 21900618]

約数ペア:

[(1, 21900618), (2, 10950309), (3, 7300206), (6, 3650103), (9, 2433402), (18, 1216701), (27, 811134), (54, 405567), (81, 270378), (162, 135189), (243, 90126), (486, 45063), (729, 30042), (1458, 15021), (1669, 13122), (2187, 10014), (3338, 6561), (4374, 5007)]