21134763

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{20071}}^1$

素因数の和:20096

約数の個数: 20

約数和(自身を含む): 34001968

約数和(自身を除く): 12867205

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 20071, 60213, 180639, 260923, 541917, 782769, 1625751, 2348307, 7044921, 21134763]

約数ペア:

[(1, 21134763), (3, 7044921), (9, 2348307), (13, 1625751), (27, 782769), (39, 541917), (81, 260923), (117, 180639), (351, 60213), (1053, 20071)]