21426438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{2683}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 47152512

約数和(自身を除く): 25726074

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 1331, 2662, 2683, 3993, 5366, 7986, 8049, 16098, 29513, 59026, 88539, 177078, 324643, 649286, 973929, 1947858, 3571073, 7142146, 10713219, 21426438]

約数ペア:

[(1, 21426438), (2, 10713219), (3, 7142146), (6, 3571073), (11, 1947858), (22, 973929), (33, 649286), (66, 324643), (121, 177078), (242, 88539), (363, 59026), (726, 29513), (1331, 16098), (2662, 8049), (2683, 7986), (3993, 5366)]