21328323

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2939}}^1$

素因数の和:3042

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 8306877

約数列:

[1, 3, 41, 59, 123, 177, 2419, 2939, 7257, 8817, 120499, 173401, 361497, 520203, 7109441, 21328323]

約数ペア:

[(1, 21328323), (3, 7109441), (41, 520203), (59, 361497), (123, 173401), (177, 120499), (2419, 8817), (2939, 7257)]