21424740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357079}}^1$

素因数の和:357091

約数の個数: 24

約数和(自身を含む): 59989440

約数和(自身を除く): 38564700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357079, 714158, 1071237, 1428316, 1785395, 2142474, 3570790, 4284948, 5356185, 7141580, 10712370, 21424740]

約数ペア:

[(1, 21424740), (2, 10712370), (3, 7141580), (4, 5356185), (5, 4284948), (6, 3570790), (10, 2142474), (12, 1785395), (15, 1428316), (20, 1071237), (30, 714158), (60, 357079)]