21796467

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 36524544

約数和(自身を除く): 14728077

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 601, 1099, 1727, 1803, 3297, 4207, 5181, 6611, 12089, 12621, 19833, 36267, 46277, 94357, 138831, 283071, 660499, 1037927, 1981497, 3113781, 7265489, 21796467]

約数ペア:

[(1, 21796467), (3, 7265489), (7, 3113781), (11, 1981497), (21, 1037927), (33, 660499), (77, 283071), (157, 138831), (231, 94357), (471, 46277), (601, 36267), (1099, 19833), (1727, 12621), (1803, 12089), (3297, 6611), (4207, 5181)]