21048313

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{13381}}^1$

素因数の和:13416

約数の個数: 12

約数和(自身を含む): 24917284

約数和(自身を除く): 3868971

約数列:

[1, 11, 13, 121, 143, 1573, 13381, 147191, 173953, 1619101, 1913483, 21048313]

約数ペア:

[(1, 21048313), (11, 1913483), (13, 1619101), (121, 173953), (143, 147191), (1573, 13381)]