21174322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42863}}^1$

素因数の和:42897

約数の個数: 16

約数和(自身を含む): 36005760

約数和(自身を除く): 14831438

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42863, 85726, 557219, 814397, 1114438, 1628794, 10587161, 21174322]

約数ペア:

[(1, 21174322), (2, 10587161), (13, 1628794), (19, 1114438), (26, 814397), (38, 557219), (247, 85726), (494, 42863)]