21303780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355063}}^1$

素因数の和:355075

約数の個数: 24

約数和(自身を含む): 59650752

約数和(自身を除く): 38346972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355063, 710126, 1065189, 1420252, 1775315, 2130378, 3550630, 4260756, 5325945, 7101260, 10651890, 21303780]

約数ペア:

[(1, 21303780), (2, 10651890), (3, 7101260), (4, 5325945), (5, 4260756), (6, 3550630), (10, 2130378), (12, 1775315), (15, 1420252), (20, 1065189), (30, 710126), (60, 355063)]