21551699

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 3269293

約数列:

[1, 13, 17, 113, 221, 863, 1469, 1921, 11219, 14671, 24973, 97519, 190723, 1267747, 1657823, 21551699]

約数ペア:

[(1, 21551699), (13, 1657823), (17, 1267747), (113, 190723), (221, 97519), (863, 24973), (1469, 14671), (1921, 11219)]