20210738205

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{3928229}}^1$

素因数の和:3928258

約数の個数: 32

約数和(自身を含む): 37711008000

約数和(自身を除く): 17500269795

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 3928229, 11784687, 19641145, 27497603, 58923435, 82492809, 137488015, 192483221, 412464045, 577449663, 962416105, 1347382547, 2887248315, 4042147641, 6736912735, 20210738205]

約数ペア:

[(1, 20210738205), (3, 6736912735), (5, 4042147641), (7, 2887248315), (15, 1347382547), (21, 962416105), (35, 577449663), (49, 412464045), (105, 192483221), (147, 137488015), (245, 82492809), (343, 58923435), (735, 27497603), (1029, 19641145), (1715, 11784687), (5145, 3928229)]