21860163

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 34183968

約数和(自身を除く): 12323805

約数列:

[1, 3, 9, 13, 39, 117, 257, 727, 771, 2181, 2313, 3341, 6543, 9451, 10023, 28353, 30069, 85059, 186839, 560517, 1681551, 2428907, 7286721, 21860163]

約数ペア:

[(1, 21860163), (3, 7286721), (9, 2428907), (13, 1681551), (39, 560517), (117, 186839), (257, 85059), (727, 30069), (771, 28353), (2181, 10023), (2313, 9451), (3341, 6543)]