21042160895

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2961599}}^1$

素因数の和:2961647

約数の個数: 24

約数和(自身を含む): 30386016000

約数和(自身を除く): 9343855105

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 2961599, 14807995, 20731193, 85886371, 103655965, 145118351, 429431855, 601204597, 725591755, 3006022985, 4208432179, 21042160895]

約数ペア:

[(1, 21042160895), (5, 4208432179), (7, 3006022985), (29, 725591755), (35, 601204597), (49, 429431855), (145, 145118351), (203, 103655965), (245, 85886371), (1015, 20731193), (1421, 14807995), (7105, 2961599)]