21823815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8609}}^1$

素因数の和:8643

約数の個数: 24

約数和(自身を含む): 37815120

約数和(自身を除く): 15991305

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8609, 25827, 43045, 111917, 129135, 335751, 559585, 1454921, 1678755, 4364763, 7274605, 21823815]

約数ペア:

[(1, 21823815), (3, 7274605), (5, 4364763), (13, 1678755), (15, 1454921), (39, 559585), (65, 335751), (169, 129135), (195, 111917), (507, 43045), (845, 25827), (2535, 8609)]