21653749

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3023}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 3747851

約数列:

[1, 13, 19, 29, 247, 377, 551, 3023, 7163, 39299, 57437, 87667, 746681, 1139671, 1665673, 21653749]

約数ペア:

[(1, 21653749), (13, 1665673), (19, 1139671), (29, 746681), (247, 87667), (377, 57437), (551, 39299), (3023, 7163)]