21383418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4943}}^1$

素因数の和:5058

約数の個数: 32

約数和(自身を含む): 49360896

約数和(自身を除く): 27977478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4943, 9886, 14829, 29658, 34601, 69202, 103803, 207606, 509129, 1018258, 1527387, 3054774, 3563903, 7127806, 10691709, 21383418]

約数ペア:

[(1, 21383418), (2, 10691709), (3, 7127806), (6, 3563903), (7, 3054774), (14, 1527387), (21, 1018258), (42, 509129), (103, 207606), (206, 103803), (309, 69202), (618, 34601), (721, 29658), (1442, 14829), (2163, 9886), (4326, 4943)]