21644427

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 34047696

約数和(自身を除く): 12403269

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 2017, 3577, 6051, 10731, 14119, 42357, 98833, 147241, 296499, 441723, 1030687, 3092061, 7214809, 21644427]

約数ペア:

[(1, 21644427), (3, 7214809), (7, 3092061), (21, 1030687), (49, 441723), (73, 296499), (147, 147241), (219, 98833), (511, 42357), (1533, 14119), (2017, 10731), (3577, 6051)]