21891750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 58619808

約数和(自身を除く): 36728058

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 101, 102, 125, 150, 170, 202, 250, 255, 289, 303, 375, 425, 505, 510, 578, 606, 750, 850, 867, 1010, 1275, 1445, 1515, 1717, 1734, 2125, 2525, 2550, 2890, 3030, 3434, 4250, 4335, 5050, 5151, 6375, 7225, 7575, 8585, 8670, 10302, 12625, 12750, 14450, 15150, 17170, 21675, 25250, 25755, 29189, 36125, 37875, 42925, 43350, 51510, 58378, 72250, 75750, 85850, 87567, 108375, 128775, 145945, 175134, 214625, 216750, 257550, 291890, 429250, 437835, 643875, 729725, 875670, 1287750, 1459450, 2189175, 3648625, 4378350, 7297250, 10945875, 21891750]

約数ペア:

[(1, 21891750), (2, 10945875), (3, 7297250), (5, 4378350), (6, 3648625), (10, 2189175), (15, 1459450), (17, 1287750), (25, 875670), (30, 729725), (34, 643875), (50, 437835), (51, 429250), (75, 291890), (85, 257550), (101, 216750), (102, 214625), (125, 175134), (150, 145945), (170, 128775), (202, 108375), (250, 87567), (255, 85850), (289, 75750), (303, 72250), (375, 58378), (425, 51510), (505, 43350), (510, 42925), (578, 37875), (606, 36125), (750, 29189), (850, 25755), (867, 25250), (1010, 21675), (1275, 17170), (1445, 15150), (1515, 14450), (1717, 12750), (1734, 12625), (2125, 10302), (2525, 8670), (2550, 8585), (2890, 7575), (3030, 7225), (3434, 6375), (4250, 5151), (4335, 5050)]