21956025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3250

約数の個数: 48

約数和(自身を含む): 44691584

約数和(自身を除く): 22735559

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 3217, 6825, 9651, 16085, 22519, 41821, 48255, 67557, 80425, 112595, 125463, 209105, 241275, 292747, 337785, 562975, 627315, 878241, 1045525, 1463735, 1688925, 3136575, 4391205, 7318675, 21956025]

約数ペア:

[(1, 21956025), (3, 7318675), (5, 4391205), (7, 3136575), (13, 1688925), (15, 1463735), (21, 1045525), (25, 878241), (35, 627315), (39, 562975), (65, 337785), (75, 292747), (91, 241275), (105, 209105), (175, 125463), (195, 112595), (273, 80425), (325, 67557), (455, 48255), (525, 41821), (975, 22519), (1365, 16085), (2275, 9651), (3217, 6825)]