21611790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240131}}^1$

素因数の和:240144

約数の個数: 24

約数和(自身を含む): 56190888

約数和(自身を除く): 34579098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240131, 480262, 720393, 1200655, 1440786, 2161179, 2401310, 3601965, 4322358, 7203930, 10805895, 21611790]

約数ペア:

[(1, 21611790), (2, 10805895), (3, 7203930), (5, 4322358), (6, 3601965), (9, 2401310), (10, 2161179), (15, 1440786), (18, 1200655), (30, 720393), (45, 480262), (90, 240131)]