21218262

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272029}}^1$

素因数の和:272047

約数の個数: 16

約数和(自身を含む): 45701040

約数和(自身を除く): 24482778

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272029, 544058, 816087, 1632174, 3536377, 7072754, 10609131, 21218262]

約数ペア:

[(1, 21218262), (2, 10609131), (3, 7072754), (6, 3536377), (13, 1632174), (26, 816087), (39, 544058), (78, 272029)]