21209036

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{857}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 17709844

約数列:

[1, 2, 4, 23, 46, 92, 269, 538, 857, 1076, 1714, 3428, 6187, 12374, 19711, 24748, 39422, 78844, 230533, 461066, 922132, 5302259, 10604518, 21209036]

約数ペア:

[(1, 21209036), (2, 10604518), (4, 5302259), (23, 922132), (46, 461066), (92, 230533), (269, 78844), (538, 39422), (857, 24748), (1076, 19711), (1714, 12374), (3428, 6187)]