21255094

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{1109}}^1$

素因数の和:1192

約数の個数: 24

約数和(自身を含む): 37482480

約数和(自身を除く): 16227386

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1109, 1369, 2218, 2738, 7763, 9583, 15526, 19166, 41033, 82066, 287231, 574462, 1518221, 3036442, 10627547, 21255094]

約数ペア:

[(1, 21255094), (2, 10627547), (7, 3036442), (14, 1518221), (37, 574462), (74, 287231), (259, 82066), (518, 41033), (1109, 19166), (1369, 15526), (2218, 9583), (2738, 7763)]