21522326

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80911}}^1$

素因数の和:80939

約数の個数: 16

約数和(自身を含む): 38837760

約数和(自身を除く): 17315434

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80911, 161822, 566377, 1132754, 1537309, 3074618, 10761163, 21522326]

約数ペア:

[(1, 21522326), (2, 10761163), (7, 3074618), (14, 1537309), (19, 1132754), (38, 566377), (133, 161822), (266, 80911)]