21330478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48259}}^1$

素因数の和:48291

約数の個数: 16

約数和(自身を含む): 36484560

約数和(自身を除く): 15154082

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48259, 96518, 627367, 820403, 1254734, 1640806, 10665239, 21330478]

約数ペア:

[(1, 21330478), (2, 10665239), (13, 1640806), (17, 1254734), (26, 820403), (34, 627367), (221, 96518), (442, 48259)]