21528675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13669}}^1$

素因数の和:13692

約数の個数: 36

約数和(自身を含む): 44072080

約数和(自身を除く): 22543405

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13669, 41007, 68345, 95683, 123021, 205035, 287049, 341725, 478415, 615105, 861147, 1025175, 1435245, 2392075, 3075525, 4305735, 7176225, 21528675]

約数ペア:

[(1, 21528675), (3, 7176225), (5, 4305735), (7, 3075525), (9, 2392075), (15, 1435245), (21, 1025175), (25, 861147), (35, 615105), (45, 478415), (63, 341725), (75, 287049), (105, 205035), (175, 123021), (225, 95683), (315, 68345), (525, 41007), (1575, 13669)]