21290576

素因数分解:

$2^4\times {\mathrm{1097}}^1\times {\mathrm{1213}}^1$

素因数の和:2318

約数の個数: 20

約数和(自身を含む): 41322132

約数和(自身を除く): 20031556

約数列:

[1, 2, 4, 8, 16, 1097, 1213, 2194, 2426, 4388, 4852, 8776, 9704, 17552, 19408, 1330661, 2661322, 5322644, 10645288, 21290576]

約数ペア:

[(1, 21290576), (2, 10645288), (4, 5322644), (8, 2661322), (16, 1330661), (1097, 19408), (1213, 17552), (2194, 9704), (2426, 8776), (4388, 4852)]