21553389

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16747}}^1$

素因数の和:16777

約数の個数: 24

約数和(自身を含む): 36577632

約数和(自身を除く): 15024243

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16747, 50241, 150723, 184217, 217711, 552651, 653133, 1657953, 1959399, 2394821, 7184463, 21553389]

約数ペア:

[(1, 21553389), (3, 7184463), (9, 2394821), (11, 1959399), (13, 1657953), (33, 653133), (39, 552651), (99, 217711), (117, 184217), (143, 150723), (429, 50241), (1287, 16747)]