21024369

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 32378112

約数和(自身を除く): 11353743

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2161, 3243, 6483, 9729, 19449, 49703, 101567, 149109, 304701, 447327, 914103, 2336041, 7008123, 21024369]

約数ペア:

[(1, 21024369), (3, 7008123), (9, 2336041), (23, 914103), (47, 447327), (69, 304701), (141, 149109), (207, 101567), (423, 49703), (1081, 19449), (2161, 9729), (3243, 6483)]