21310660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152219}}^1$

素因数の和:152235

約数の個数: 24

約数和(自身を含む): 51145920

約数和(自身を除く): 29835260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152219, 304438, 608876, 761095, 1065533, 1522190, 2131066, 3044380, 4262132, 5327665, 10655330, 21310660]

約数ペア:

[(1, 21310660), (2, 10655330), (4, 5327665), (5, 4262132), (7, 3044380), (10, 2131066), (14, 1522190), (20, 1065533), (28, 761095), (35, 608876), (70, 304438), (140, 152219)]