21285043

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 24639120

約数和(自身を除く): 3354077

約数列:

[1, 13, 29, 43, 101, 169, 377, 559, 1247, 1313, 2929, 4343, 4901, 7267, 16211, 17069, 38077, 56459, 125947, 210743, 495001, 733967, 1637311, 21285043]

約数ペア:

[(1, 21285043), (13, 1637311), (29, 733967), (43, 495001), (101, 210743), (169, 125947), (377, 56459), (559, 38077), (1247, 17069), (1313, 16211), (2929, 7267), (4343, 4901)]