21236950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 46139904

約数和(自身を除く): 24902954

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1291, 1645, 2350, 2582, 3290, 6455, 8225, 9037, 12910, 16450, 18074, 32275, 45185, 60677, 64550, 90370, 121354, 225925, 303385, 424739, 451850, 606770, 849478, 1516925, 2123695, 3033850, 4247390, 10618475, 21236950]

約数ペア:

[(1, 21236950), (2, 10618475), (5, 4247390), (7, 3033850), (10, 2123695), (14, 1516925), (25, 849478), (35, 606770), (47, 451850), (50, 424739), (70, 303385), (94, 225925), (175, 121354), (235, 90370), (329, 64550), (350, 60677), (470, 45185), (658, 32275), (1175, 18074), (1291, 16450), (1645, 12910), (2350, 9037), (2582, 8225), (3290, 6455)]