21250500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 64017408

約数和(自身を除く): 42766908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 125, 150, 155, 186, 250, 300, 310, 372, 375, 457, 465, 500, 620, 750, 775, 914, 930, 1371, 1500, 1550, 1828, 1860, 2285, 2325, 2742, 3100, 3875, 4570, 4650, 5484, 6855, 7750, 9140, 9300, 11425, 11625, 13710, 14167, 15500, 22850, 23250, 27420, 28334, 34275, 42501, 45700, 46500, 56668, 57125, 68550, 70835, 85002, 114250, 137100, 141670, 170004, 171375, 212505, 228500, 283340, 342750, 354175, 425010, 685500, 708350, 850020, 1062525, 1416700, 1770875, 2125050, 3541750, 4250100, 5312625, 7083500, 10625250, 21250500]

約数ペア:

[(1, 21250500), (2, 10625250), (3, 7083500), (4, 5312625), (5, 4250100), (6, 3541750), (10, 2125050), (12, 1770875), (15, 1416700), (20, 1062525), (25, 850020), (30, 708350), (31, 685500), (50, 425010), (60, 354175), (62, 342750), (75, 283340), (93, 228500), (100, 212505), (124, 171375), (125, 170004), (150, 141670), (155, 137100), (186, 114250), (250, 85002), (300, 70835), (310, 68550), (372, 57125), (375, 56668), (457, 46500), (465, 45700), (500, 42501), (620, 34275), (750, 28334), (775, 27420), (914, 23250), (930, 22850), (1371, 15500), (1500, 14167), (1550, 13710), (1828, 11625), (1860, 11425), (2285, 9300), (2325, 9140), (2742, 7750), (3100, 6855), (3875, 5484), (4570, 4650)]