21785250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 56189952

約数和(自身を除く): 34404702

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 125, 150, 155, 186, 250, 310, 375, 465, 750, 775, 930, 937, 1550, 1874, 2325, 2811, 3875, 4650, 4685, 5622, 7750, 9370, 11625, 14055, 23250, 23425, 28110, 29047, 46850, 58094, 70275, 87141, 117125, 140550, 145235, 174282, 234250, 290470, 351375, 435705, 702750, 726175, 871410, 1452350, 2178525, 3630875, 4357050, 7261750, 10892625, 21785250]

約数ペア:

[(1, 21785250), (2, 10892625), (3, 7261750), (5, 4357050), (6, 3630875), (10, 2178525), (15, 1452350), (25, 871410), (30, 726175), (31, 702750), (50, 435705), (62, 351375), (75, 290470), (93, 234250), (125, 174282), (150, 145235), (155, 140550), (186, 117125), (250, 87141), (310, 70275), (375, 58094), (465, 46850), (750, 29047), (775, 28110), (930, 23425), (937, 23250), (1550, 14055), (1874, 11625), (2325, 9370), (2811, 7750), (3875, 5622), (4650, 4685)]