21389400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:275

約数の個数: 192

約数和(自身を含む): 78343200

約数和(自身を除く): 56953800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 27, 30, 34, 36, 40, 45, 50, 51, 54, 60, 68, 72, 75, 85, 90, 100, 102, 108, 120, 135, 136, 150, 153, 170, 180, 200, 204, 216, 225, 233, 255, 270, 300, 306, 340, 360, 408, 425, 450, 459, 466, 510, 540, 600, 612, 675, 680, 699, 765, 850, 900, 918, 932, 1020, 1080, 1165, 1224, 1275, 1350, 1398, 1530, 1700, 1800, 1836, 1864, 2040, 2097, 2295, 2330, 2550, 2700, 2796, 3060, 3400, 3495, 3672, 3825, 3961, 4194, 4590, 4660, 5100, 5400, 5592, 5825, 6120, 6291, 6990, 7650, 7922, 8388, 9180, 9320, 10200, 10485, 11475, 11650, 11883, 12582, 13980, 15300, 15844, 16776, 17475, 18360, 19805, 20970, 22950, 23300, 23766, 25164, 27960, 30600, 31455, 31688, 34950, 35649, 39610, 41940, 45900, 46600, 47532, 50328, 52425, 59415, 62910, 69900, 71298, 79220, 83880, 91800, 95064, 99025, 104850, 106947, 118830, 125820, 139800, 142596, 157275, 158440, 178245, 198050, 209700, 213894, 237660, 251640, 285192, 297075, 314550, 356490, 396100, 419400, 427788, 475320, 534735, 594150, 629100, 712980, 792200, 855576, 891225, 1069470, 1188300, 1258200, 1425960, 1782450, 2138940, 2376600, 2673675, 3564900, 4277880, 5347350, 7129800, 10694700, 21389400]

約数ペア:

[(1, 21389400), (2, 10694700), (3, 7129800), (4, 5347350), (5, 4277880), (6, 3564900), (8, 2673675), (9, 2376600), (10, 2138940), (12, 1782450), (15, 1425960), (17, 1258200), (18, 1188300), (20, 1069470), (24, 891225), (25, 855576), (27, 792200), (30, 712980), (34, 629100), (36, 594150), (40, 534735), (45, 475320), (50, 427788), (51, 419400), (54, 396100), (60, 356490), (68, 314550), (72, 297075), (75, 285192), (85, 251640), (90, 237660), (100, 213894), (102, 209700), (108, 198050), (120, 178245), (135, 158440), (136, 157275), (150, 142596), (153, 139800), (170, 125820), (180, 118830), (200, 106947), (204, 104850), (216, 99025), (225, 95064), (233, 91800), (255, 83880), (270, 79220), (300, 71298), (306, 69900), (340, 62910), (360, 59415), (408, 52425), (425, 50328), (450, 47532), (459, 46600), (466, 45900), (510, 41940), (540, 39610), (600, 35649), (612, 34950), (675, 31688), (680, 31455), (699, 30600), (765, 27960), (850, 25164), (900, 23766), (918, 23300), (932, 22950), (1020, 20970), (1080, 19805), (1165, 18360), (1224, 17475), (1275, 16776), (1350, 15844), (1398, 15300), (1530, 13980), (1700, 12582), (1800, 11883), (1836, 11650), (1864, 11475), (2040, 10485), (2097, 10200), (2295, 9320), (2330, 9180), (2550, 8388), (2700, 7922), (2796, 7650), (3060, 6990), (3400, 6291), (3495, 6120), (3672, 5825), (3825, 5592), (3961, 5400), (4194, 5100), (4590, 4660)]