21500523

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5297}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 34712496

約数和(自身を除く): 13211973

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5297, 15891, 47673, 58267, 174801, 217177, 524403, 651531, 1954593, 2388947, 7166841, 21500523]

約数ペア:

[(1, 21500523), (3, 7166841), (9, 2388947), (11, 1954593), (33, 651531), (41, 524403), (99, 217177), (123, 174801), (369, 58267), (451, 47673), (1353, 15891), (4059, 5297)]