21001382

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:703

約数の個数: 16

約数和(自身を含む): 31961952

約数和(自身を除く): 10960570

約数列:

[1, 2, 151, 197, 302, 353, 394, 706, 29747, 53303, 59494, 69541, 106606, 139082, 10500691, 21001382]

約数ペア:

[(1, 21001382), (2, 10500691), (151, 139082), (197, 106606), (302, 69541), (353, 59494), (394, 53303), (706, 29747)]