21292500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 66128832

約数和(自身を除く): 44836332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 125, 150, 167, 170, 204, 250, 255, 300, 334, 340, 375, 425, 500, 501, 510, 625, 668, 750, 835, 850, 1002, 1020, 1250, 1275, 1500, 1670, 1700, 1875, 2004, 2125, 2500, 2505, 2550, 2839, 3340, 3750, 4175, 4250, 5010, 5100, 5678, 6375, 7500, 8350, 8500, 8517, 10020, 10625, 11356, 12525, 12750, 14195, 16700, 17034, 20875, 21250, 25050, 25500, 28390, 31875, 34068, 41750, 42500, 42585, 50100, 56780, 62625, 63750, 70975, 83500, 85170, 104375, 125250, 127500, 141950, 170340, 208750, 212925, 250500, 283900, 313125, 354875, 417500, 425850, 626250, 709750, 851700, 1064625, 1252500, 1419500, 1774375, 2129250, 3548750, 4258500, 5323125, 7097500, 10646250, 21292500]

約数ペア:

[(1, 21292500), (2, 10646250), (3, 7097500), (4, 5323125), (5, 4258500), (6, 3548750), (10, 2129250), (12, 1774375), (15, 1419500), (17, 1252500), (20, 1064625), (25, 851700), (30, 709750), (34, 626250), (50, 425850), (51, 417500), (60, 354875), (68, 313125), (75, 283900), (85, 250500), (100, 212925), (102, 208750), (125, 170340), (150, 141950), (167, 127500), (170, 125250), (204, 104375), (250, 85170), (255, 83500), (300, 70975), (334, 63750), (340, 62625), (375, 56780), (425, 50100), (500, 42585), (501, 42500), (510, 41750), (625, 34068), (668, 31875), (750, 28390), (835, 25500), (850, 25050), (1002, 21250), (1020, 20875), (1250, 17034), (1275, 16700), (1500, 14195), (1670, 12750), (1700, 12525), (1875, 11356), (2004, 10625), (2125, 10020), (2500, 8517), (2505, 8500), (2550, 8350), (2839, 7500), (3340, 6375), (3750, 5678), (4175, 5100), (4250, 5010)]