21818145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63241}}^1$

素因数の和:63272

約数の個数: 16

約数和(自身を含む): 36427392

約数和(自身を除く): 14609247

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 63241, 189723, 316205, 948615, 1454543, 4363629, 7272715, 21818145]

約数ペア:

[(1, 21818145), (3, 7272715), (5, 4363629), (15, 1454543), (23, 948615), (69, 316205), (115, 189723), (345, 63241)]