21646079

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3011}}^1$

素因数の和:3110

約数の個数: 16

約数和(自身を含む): 26987520

約数和(自身を除く): 5341441

約数列:

[1, 7, 13, 79, 91, 553, 1027, 3011, 7189, 21077, 39143, 237869, 274001, 1665083, 3092297, 21646079]

約数ペア:

[(1, 21646079), (7, 3092297), (13, 1665083), (79, 274001), (91, 237869), (553, 39143), (1027, 21077), (3011, 7189)]