21438750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5717}}^1$

素因数の和:5742

約数の個数: 40

約数和(自身を含む): 53589096

約数和(自身を除く): 32150346

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5717, 11434, 17151, 28585, 34302, 57170, 85755, 142925, 171510, 285850, 428775, 714625, 857550, 1429250, 2143875, 3573125, 4287750, 7146250, 10719375, 21438750]

約数ペア:

[(1, 21438750), (2, 10719375), (3, 7146250), (5, 4287750), (6, 3573125), (10, 2143875), (15, 1429250), (25, 857550), (30, 714625), (50, 428775), (75, 285850), (125, 171510), (150, 142925), (250, 85755), (375, 57170), (625, 34302), (750, 28585), (1250, 17151), (1875, 11434), (3750, 5717)]