21898702

素因数分解:

$2^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{1439}}^1$

素因数の和:2535

約数の個数: 16

約数和(自身を含む): 37601280

約数和(自身を除く): 15702578

約数列:

[1, 2, 7, 14, 1087, 1439, 2174, 2878, 7609, 10073, 15218, 20146, 1564193, 3128386, 10949351, 21898702]

約数ペア:

[(1, 21898702), (2, 10949351), (7, 3128386), (14, 1564193), (1087, 20146), (1439, 15218), (2174, 10073), (2878, 7609)]