21406671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16663

約数の個数: 24

約数和(自身を含む): 36328656

約数和(自身を除く): 14921985

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16633, 49899, 149697, 182963, 216229, 548889, 648687, 1646667, 1946061, 2378519, 7135557, 21406671]

約数ペア:

[(1, 21406671), (3, 7135557), (9, 2378519), (11, 1946061), (13, 1646667), (33, 648687), (39, 548889), (99, 216229), (117, 182963), (143, 149697), (429, 49899), (1287, 16633)]