21471160

素因数分解:

$2^3\times 5^1\times {\mathrm{536779}}^1$

素因数の和:536790

約数の個数: 16

約数和(自身を含む): 48310200

約数和(自身を除く): 26839040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536779, 1073558, 2147116, 2683895, 4294232, 5367790, 10735580, 21471160]

約数ペア:

[(1, 21471160), (2, 10735580), (4, 5367790), (5, 4294232), (8, 2683895), (10, 2147116), (20, 1073558), (40, 536779)]