21262800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 77495040

約数和(自身を除く): 56232240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 29, 30, 39, 40, 47, 48, 50, 52, 58, 60, 65, 75, 78, 80, 87, 94, 100, 104, 116, 120, 130, 141, 145, 150, 156, 174, 188, 195, 200, 208, 232, 235, 240, 260, 282, 290, 300, 312, 325, 348, 376, 377, 390, 400, 435, 464, 470, 520, 564, 580, 600, 611, 624, 650, 696, 705, 725, 752, 754, 780, 870, 940, 975, 1040, 1128, 1131, 1160, 1175, 1200, 1222, 1300, 1363, 1392, 1410, 1450, 1508, 1560, 1740, 1833, 1880, 1885, 1950, 2175, 2256, 2262, 2320, 2350, 2444, 2600, 2726, 2820, 2900, 3016, 3055, 3120, 3480, 3525, 3666, 3760, 3770, 3900, 4089, 4350, 4524, 4700, 4888, 5200, 5452, 5640, 5655, 5800, 6032, 6110, 6815, 6960, 7050, 7332, 7540, 7800, 8178, 8700, 9048, 9165, 9400, 9425, 9776, 10904, 11280, 11310, 11600, 12220, 13630, 14100, 14664, 15080, 15275, 15600, 16356, 17400, 17719, 18096, 18330, 18800, 18850, 20445, 21808, 22620, 24440, 27260, 28200, 28275, 29328, 30160, 30550, 32712, 34075, 34800, 35438, 36660, 37700, 40890, 45240, 45825, 48880, 53157, 54520, 56400, 56550, 61100, 65424, 68150, 70876, 73320, 75400, 81780, 88595, 90480, 91650, 102225, 106314, 109040, 113100, 122200, 136300, 141752, 146640, 150800, 163560, 177190, 183300, 204450, 212628, 226200, 244400, 265785, 272600, 283504, 327120, 354380, 366600, 408900, 425256, 442975, 452400, 531570, 545200, 708760, 733200, 817800, 850512, 885950, 1063140, 1328925, 1417520, 1635600, 1771900, 2126280, 2657850, 3543800, 4252560, 5315700, 7087600, 10631400, 21262800]

約数ペア:

[(1, 21262800), (2, 10631400), (3, 7087600), (4, 5315700), (5, 4252560), (6, 3543800), (8, 2657850), (10, 2126280), (12, 1771900), (13, 1635600), (15, 1417520), (16, 1328925), (20, 1063140), (24, 885950), (25, 850512), (26, 817800), (29, 733200), (30, 708760), (39, 545200), (40, 531570), (47, 452400), (48, 442975), (50, 425256), (52, 408900), (58, 366600), (60, 354380), (65, 327120), (75, 283504), (78, 272600), (80, 265785), (87, 244400), (94, 226200), (100, 212628), (104, 204450), (116, 183300), (120, 177190), (130, 163560), (141, 150800), (145, 146640), (150, 141752), (156, 136300), (174, 122200), (188, 113100), (195, 109040), (200, 106314), (208, 102225), (232, 91650), (235, 90480), (240, 88595), (260, 81780), (282, 75400), (290, 73320), (300, 70876), (312, 68150), (325, 65424), (348, 61100), (376, 56550), (377, 56400), (390, 54520), (400, 53157), (435, 48880), (464, 45825), (470, 45240), (520, 40890), (564, 37700), (580, 36660), (600, 35438), (611, 34800), (624, 34075), (650, 32712), (696, 30550), (705, 30160), (725, 29328), (752, 28275), (754, 28200), (780, 27260), (870, 24440), (940, 22620), (975, 21808), (1040, 20445), (1128, 18850), (1131, 18800), (1160, 18330), (1175, 18096), (1200, 17719), (1222, 17400), (1300, 16356), (1363, 15600), (1392, 15275), (1410, 15080), (1450, 14664), (1508, 14100), (1560, 13630), (1740, 12220), (1833, 11600), (1880, 11310), (1885, 11280), (1950, 10904), (2175, 9776), (2256, 9425), (2262, 9400), (2320, 9165), (2350, 9048), (2444, 8700), (2600, 8178), (2726, 7800), (2820, 7540), (2900, 7332), (3016, 7050), (3055, 6960), (3120, 6815), (3480, 6110), (3525, 6032), (3666, 5800), (3760, 5655), (3770, 5640), (3900, 5452), (4089, 5200), (4350, 4888), (4524, 4700)]