21039158

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 16893898

約数列:

[1, 2, 7, 14, 23, 46, 161, 223, 293, 322, 446, 586, 1561, 2051, 3122, 4102, 5129, 6739, 10258, 13478, 35903, 47173, 65339, 71806, 94346, 130678, 457373, 914746, 1502797, 3005594, 10519579, 21039158]

約数ペア:

[(1, 21039158), (2, 10519579), (7, 3005594), (14, 1502797), (23, 914746), (46, 457373), (161, 130678), (223, 94346), (293, 71806), (322, 65339), (446, 47173), (586, 35903), (1561, 13478), (2051, 10258), (3122, 6739), (4102, 5129)]