21638067

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5419}}^1$

素因数の和:5455

約数の個数: 16

約数和(自身を含む): 31739520

約数和(自身を除く): 10101453

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5419, 16257, 59609, 178827, 655699, 1967097, 7212689, 21638067]

約数ペア:

[(1, 21638067), (3, 7212689), (11, 1967097), (33, 655699), (121, 178827), (363, 59609), (1331, 16257), (3993, 5419)]