21375780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356263}}^1$

素因数の和:356275

約数の個数: 24

約数和(自身を含む): 59852352

約数和(自身を除く): 38476572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356263, 712526, 1068789, 1425052, 1781315, 2137578, 3562630, 4275156, 5343945, 7125260, 10687890, 21375780]

約数ペア:

[(1, 21375780), (2, 10687890), (3, 7125260), (4, 5343945), (5, 4275156), (6, 3562630), (10, 2137578), (12, 1781315), (15, 1425052), (20, 1068789), (30, 712526), (60, 356263)]