21455577

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5590

約数の個数: 32

約数和(自身を含む): 37349760

約数和(自身を除く): 15894183

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5557, 16671, 50013, 61127, 72241, 150039, 183381, 216723, 550143, 650169, 794651, 1650429, 1950507, 2383953, 7151859, 21455577]

約数ペア:

[(1, 21455577), (3, 7151859), (9, 2383953), (11, 1950507), (13, 1650429), (27, 794651), (33, 650169), (39, 550143), (99, 216723), (117, 183381), (143, 150039), (297, 72241), (351, 61127), (429, 50013), (1287, 16671), (3861, 5557)]