21093423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 31825920

約数和(自身を除く): 10732497

約数列:

[1, 3, 13, 31, 39, 73, 93, 219, 239, 403, 717, 949, 1209, 2263, 2847, 3107, 6789, 7409, 9321, 17447, 22227, 29419, 52341, 88257, 96317, 226811, 288951, 540857, 680433, 1622571, 7031141, 21093423]

約数ペア:

[(1, 21093423), (3, 7031141), (13, 1622571), (31, 680433), (39, 540857), (73, 288951), (93, 226811), (219, 96317), (239, 88257), (403, 52341), (717, 29419), (949, 22227), (1209, 17447), (2263, 9321), (2847, 7409), (3107, 6789)]