21907140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365119}}^1$

素因数の和:365131

約数の個数: 24

約数和(自身を含む): 61340160

約数和(自身を除く): 39433020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365119, 730238, 1095357, 1460476, 1825595, 2190714, 3651190, 4381428, 5476785, 7302380, 10953570, 21907140]

約数ペア:

[(1, 21907140), (2, 10953570), (3, 7302380), (4, 5476785), (5, 4381428), (6, 3651190), (10, 2190714), (12, 1825595), (15, 1460476), (20, 1095357), (30, 730238), (60, 365119)]