21968368

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1693}}^1$

素因数の和:2512

約数の個数: 20

約数和(自身を含む): 42641368

約数和(自身を除く): 20673000

約数列:

[1, 2, 4, 8, 16, 811, 1622, 1693, 3244, 3386, 6488, 6772, 12976, 13544, 27088, 1373023, 2746046, 5492092, 10984184, 21968368]

約数ペア:

[(1, 21968368), (2, 10984184), (4, 5492092), (8, 2746046), (16, 1373023), (811, 27088), (1622, 13544), (1693, 12976), (3244, 6772), (3386, 6488)]