21788316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55021}}^1$

素因数の和:55042

約数の個数: 36

約数和(自身を含む): 60084024

約数和(自身を除く): 38295708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55021, 110042, 165063, 220084, 330126, 495189, 605231, 660252, 990378, 1210462, 1815693, 1980756, 2420924, 3631386, 5447079, 7262772, 10894158, 21788316]

約数ペア:

[(1, 21788316), (2, 10894158), (3, 7262772), (4, 5447079), (6, 3631386), (9, 2420924), (11, 1980756), (12, 1815693), (18, 1210462), (22, 990378), (33, 660252), (36, 605231), (44, 495189), (66, 330126), (99, 220084), (132, 165063), (198, 110042), (396, 55021)]