21950890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8887}}^1$

素因数の和:8926

約数の個数: 32

約数和(自身を含む): 44795520

約数和(自身を除く): 22844630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8887, 17774, 44435, 88870, 115531, 168853, 231062, 337706, 577655, 844265, 1155310, 1688530, 2195089, 4390178, 10975445, 21950890]

約数ペア:

[(1, 21950890), (2, 10975445), (5, 4390178), (10, 2195089), (13, 1688530), (19, 1155310), (26, 844265), (38, 577655), (65, 337706), (95, 231062), (130, 168853), (190, 115531), (247, 88870), (494, 44435), (1235, 17774), (2470, 8887)]