21538706

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53051}}^1$

素因数の和:53089

約数の個数: 16

約数和(自身を含む): 38197440

約数和(自身を除く): 16658734

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53051, 106102, 371357, 742714, 1538479, 3076958, 10769353, 21538706]

約数ペア:

[(1, 21538706), (2, 10769353), (7, 3076958), (14, 1538479), (29, 742714), (58, 371357), (203, 106102), (406, 53051)]