21686310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240959}}^1$

素因数の和:240972

約数の個数: 24

約数和(自身を含む): 56384640

約数和(自身を除く): 34698330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240959, 481918, 722877, 1204795, 1445754, 2168631, 2409590, 3614385, 4337262, 7228770, 10843155, 21686310]

約数ペア:

[(1, 21686310), (2, 10843155), (3, 7228770), (5, 4337262), (6, 3614385), (9, 2409590), (10, 2168631), (15, 1445754), (18, 1204795), (30, 722877), (45, 481918), (90, 240959)]