21585750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1693}}^1$

素因数の和:1730

約数の個数: 64

約数和(自身を含む): 57081024

約数和(自身を除く): 35495274

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1693, 2125, 2550, 3386, 4250, 5079, 6375, 8465, 10158, 12750, 16930, 25395, 28781, 42325, 50790, 57562, 84650, 86343, 126975, 143905, 172686, 211625, 253950, 287810, 423250, 431715, 634875, 719525, 863430, 1269750, 1439050, 2158575, 3597625, 4317150, 7195250, 10792875, 21585750]

約数ペア:

[(1, 21585750), (2, 10792875), (3, 7195250), (5, 4317150), (6, 3597625), (10, 2158575), (15, 1439050), (17, 1269750), (25, 863430), (30, 719525), (34, 634875), (50, 431715), (51, 423250), (75, 287810), (85, 253950), (102, 211625), (125, 172686), (150, 143905), (170, 126975), (250, 86343), (255, 84650), (375, 57562), (425, 50790), (510, 42325), (750, 28781), (850, 25395), (1275, 16930), (1693, 12750), (2125, 10158), (2550, 8465), (3386, 6375), (4250, 5079)]