21187716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1063}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 54340608

約数和(自身を除く): 33152892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 151, 302, 453, 604, 906, 1063, 1661, 1812, 2126, 3189, 3322, 4252, 4983, 6378, 6644, 9966, 11693, 12756, 19932, 23386, 35079, 46772, 70158, 140316, 160513, 321026, 481539, 642052, 963078, 1765643, 1926156, 3531286, 5296929, 7062572, 10593858, 21187716]

約数ペア:

[(1, 21187716), (2, 10593858), (3, 7062572), (4, 5296929), (6, 3531286), (11, 1926156), (12, 1765643), (22, 963078), (33, 642052), (44, 481539), (66, 321026), (132, 160513), (151, 140316), (302, 70158), (453, 46772), (604, 35079), (906, 23386), (1063, 19932), (1661, 12756), (1812, 11693), (2126, 9966), (3189, 6644), (3322, 6378), (4252, 4983)]