21943544

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5519}}^1$

素因数の和:5603

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 25749256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5519, 11038, 22076, 38633, 44152, 77266, 154532, 309064, 391849, 783698, 1567396, 2742943, 3134792, 5485886, 10971772, 21943544]

約数ペア:

[(1, 21943544), (2, 10971772), (4, 5485886), (7, 3134792), (8, 2742943), (14, 1567396), (28, 783698), (56, 391849), (71, 309064), (142, 154532), (284, 77266), (497, 44152), (568, 38633), (994, 22076), (1988, 11038), (3976, 5519)]