21070740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351179}}^1$

素因数の和:351191

約数の個数: 24

約数和(自身を含む): 58998240

約数和(自身を除く): 37927500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351179, 702358, 1053537, 1404716, 1755895, 2107074, 3511790, 4214148, 5267685, 7023580, 10535370, 21070740]

約数ペア:

[(1, 21070740), (2, 10535370), (3, 7023580), (4, 5267685), (5, 4214148), (6, 3511790), (10, 2107074), (12, 1755895), (15, 1404716), (20, 1053537), (30, 702358), (60, 351179)]