21094875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1103}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 40300416

約数和(自身を除く): 19205541

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1103, 1125, 1275, 2125, 3309, 3825, 5515, 6375, 9927, 16545, 18751, 19125, 27575, 49635, 56253, 82725, 93755, 137875, 168759, 248175, 281265, 413625, 468775, 843795, 1240875, 1406325, 2343875, 4218975, 7031625, 21094875]

約数ペア:

[(1, 21094875), (3, 7031625), (5, 4218975), (9, 2343875), (15, 1406325), (17, 1240875), (25, 843795), (45, 468775), (51, 413625), (75, 281265), (85, 248175), (125, 168759), (153, 137875), (225, 93755), (255, 82725), (375, 56253), (425, 49635), (765, 27575), (1103, 19125), (1125, 18751), (1275, 16545), (2125, 9927), (3309, 6375), (3825, 5515)]