21939979

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 2321141

約数列:

[1, 17, 29, 191, 233, 493, 3247, 3961, 5539, 6757, 44503, 94163, 114869, 756551, 1290587, 21939979]

約数ペア:

[(1, 21939979), (17, 1290587), (29, 756551), (191, 114869), (233, 94163), (493, 44503), (3247, 6757), (3961, 5539)]