21744322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1471}}^1$

素因数の和:1881

約数の個数: 16

約数和(自身を含む): 34444800

約数和(自身を除く): 12700478

約数列:

[1, 2, 19, 38, 389, 778, 1471, 2942, 7391, 14782, 27949, 55898, 572219, 1144438, 10872161, 21744322]

約数ペア:

[(1, 21744322), (2, 10872161), (19, 1144438), (38, 572219), (389, 55898), (778, 27949), (1471, 14782), (2942, 7391)]