21595653

素因数分解:

$3^5\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 32594016

約数和(自身を除く): 10998363

約数列:

[1, 3, 9, 27, 81, 181, 243, 491, 543, 1473, 1629, 4419, 4887, 13257, 14661, 39771, 43983, 88871, 119313, 266613, 799839, 2399517, 7198551, 21595653]

約数ペア:

[(1, 21595653), (3, 7198551), (9, 2399517), (27, 799839), (81, 266613), (181, 119313), (243, 88871), (491, 43983), (543, 39771), (1473, 14661), (1629, 13257), (4419, 4887)]