21303420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355057}}^1$

素因数の和:355069

約数の個数: 24

約数和(自身を含む): 59649744

約数和(自身を除く): 38346324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355057, 710114, 1065171, 1420228, 1775285, 2130342, 3550570, 4260684, 5325855, 7101140, 10651710, 21303420]

約数ペア:

[(1, 21303420), (2, 10651710), (3, 7101140), (4, 5325855), (5, 4260684), (6, 3550570), (10, 2130342), (12, 1775285), (15, 1420228), (20, 1065171), (30, 710114), (60, 355057)]