21070179

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60029}}^1$

素因数の和:60051

約数の個数: 16

約数和(自身を含む): 33616800

約数和(自身を除く): 12546621

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60029, 180087, 540261, 780377, 1620783, 2341131, 7023393, 21070179]

約数ペア:

[(1, 21070179), (3, 7023393), (9, 2341131), (13, 1620783), (27, 780377), (39, 540261), (117, 180087), (351, 60029)]