21460621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2087}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 5198963

約数列:

[1, 7, 13, 91, 113, 791, 1469, 2087, 10283, 14609, 27131, 189917, 235831, 1650817, 3065803, 21460621]

約数ペア:

[(1, 21460621), (7, 3065803), (13, 1650817), (91, 235831), (113, 189917), (791, 27131), (1469, 14609), (2087, 10283)]