21789370799

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1128223}}^1$

素因数の和:1128350

約数の個数: 16

約数和(自身を含む): 25994280960

約数和(自身を除く): 4204910161

約数列:

[1, 7, 31, 89, 217, 623, 2759, 19313, 1128223, 7897561, 34974913, 100411847, 244824391, 702882929, 3112767257, 21789370799]

約数ペア:

[(1, 21789370799), (7, 3112767257), (31, 702882929), (89, 244824391), (217, 100411847), (623, 34974913), (2759, 7897561), (19313, 1128223)]