21724140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362069}}^1$

素因数の和:362081

約数の個数: 24

約数和(自身を含む): 60827760

約数和(自身を除く): 39103620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362069, 724138, 1086207, 1448276, 1810345, 2172414, 3620690, 4344828, 5431035, 7241380, 10862070, 21724140]

約数ペア:

[(1, 21724140), (2, 10862070), (3, 7241380), (4, 5431035), (5, 4344828), (6, 3620690), (10, 2172414), (12, 1810345), (15, 1448276), (20, 1086207), (30, 724138), (60, 362069)]