21325128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80777}}^1$

素因数の和:80797

約数の個数: 32

約数和(自身を含む): 58160160

約数和(自身を除く): 36835032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80777, 161554, 242331, 323108, 484662, 646216, 888547, 969324, 1777094, 1938648, 2665641, 3554188, 5331282, 7108376, 10662564, 21325128]

約数ペア:

[(1, 21325128), (2, 10662564), (3, 7108376), (4, 5331282), (6, 3554188), (8, 2665641), (11, 1938648), (12, 1777094), (22, 969324), (24, 888547), (33, 646216), (44, 484662), (66, 323108), (88, 242331), (132, 161554), (264, 80777)]