21963110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 43575840

約数和(自身を除く): 21612730

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3929, 5590, 7858, 19645, 39290, 51077, 102154, 168947, 255385, 337894, 510770, 844735, 1689470, 2196311, 4392622, 10981555, 21963110]

約数ペア:

[(1, 21963110), (2, 10981555), (5, 4392622), (10, 2196311), (13, 1689470), (26, 844735), (43, 510770), (65, 337894), (86, 255385), (130, 168947), (215, 102154), (430, 51077), (559, 39290), (1118, 19645), (2795, 7858), (3929, 5590)]