21815208

素因数分解:

$2^3\times 3^2\times {\mathrm{302989}}^1$

素因数の和:303001

約数の個数: 24

約数和(自身を含む): 59083050

約数和(自身を除く): 37267842

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 302989, 605978, 908967, 1211956, 1817934, 2423912, 2726901, 3635868, 5453802, 7271736, 10907604, 21815208]

約数ペア:

[(1, 21815208), (2, 10907604), (3, 7271736), (4, 5453802), (6, 3635868), (8, 2726901), (9, 2423912), (12, 1817934), (18, 1211956), (24, 908967), (36, 605978), (72, 302989)]