21020192

素因数分解:

$2^5\times {\mathrm{173}}^1\times {\mathrm{3797}}^1$

素因数の和:3980

約数の個数: 24

約数和(自身を含む): 41633676

約数和(自身を除く): 20613484

約数列:

[1, 2, 4, 8, 16, 32, 173, 346, 692, 1384, 2768, 3797, 5536, 7594, 15188, 30376, 60752, 121504, 656881, 1313762, 2627524, 5255048, 10510096, 21020192]

約数ペア:

[(1, 21020192), (2, 10510096), (4, 5255048), (8, 2627524), (16, 1313762), (32, 656881), (173, 121504), (346, 60752), (692, 30376), (1384, 15188), (2768, 7594), (3797, 5536)]