21560223

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1619}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 30170880

約数和(自身を除く): 8610657

約数列:

[1, 3, 23, 69, 193, 579, 1619, 4439, 4857, 13317, 37237, 111711, 312467, 937401, 7186741, 21560223]

約数ペア:

[(1, 21560223), (3, 7186741), (23, 937401), (69, 312467), (193, 111711), (579, 37237), (1619, 13317), (4439, 4857)]