21027300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 79994880

約数和(自身を除く): 58967580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 25, 28, 30, 31, 34, 35, 38, 42, 50, 51, 57, 60, 62, 68, 70, 75, 76, 84, 85, 93, 95, 100, 102, 105, 114, 119, 124, 133, 140, 150, 155, 170, 175, 186, 190, 204, 210, 217, 228, 238, 255, 266, 285, 300, 310, 323, 340, 350, 357, 372, 380, 399, 420, 425, 434, 465, 475, 476, 510, 525, 527, 532, 570, 589, 595, 620, 646, 651, 665, 700, 714, 775, 798, 850, 868, 930, 950, 969, 1020, 1050, 1054, 1085, 1140, 1178, 1190, 1275, 1292, 1302, 1330, 1425, 1428, 1550, 1581, 1596, 1615, 1700, 1767, 1785, 1860, 1900, 1938, 1995, 2100, 2108, 2170, 2261, 2325, 2356, 2380, 2550, 2604, 2635, 2660, 2850, 2945, 2975, 3100, 3162, 3230, 3255, 3325, 3534, 3570, 3689, 3876, 3990, 4123, 4340, 4522, 4650, 4845, 5100, 5270, 5425, 5700, 5890, 5950, 6324, 6460, 6510, 6650, 6783, 7068, 7140, 7378, 7905, 7980, 8075, 8246, 8835, 8925, 9044, 9300, 9690, 9975, 10013, 10540, 10850, 11067, 11305, 11780, 11900, 12369, 13020, 13175, 13300, 13566, 14725, 14756, 15810, 16150, 16275, 16492, 17670, 17850, 18445, 19380, 19950, 20026, 20615, 21700, 22134, 22610, 24225, 24738, 26350, 27132, 29450, 30039, 31620, 32300, 32550, 33915, 35340, 35700, 36890, 39525, 39900, 40052, 41230, 44175, 44268, 45220, 48450, 49476, 50065, 52700, 55335, 56525, 58900, 60078, 61845, 65100, 67830, 70091, 73780, 79050, 82460, 88350, 92225, 96900, 100130, 103075, 110670, 113050, 120156, 123690, 135660, 140182, 150195, 158100, 169575, 176700, 184450, 200260, 206150, 210273, 221340, 226100, 247380, 250325, 276675, 280364, 300390, 309225, 339150, 350455, 368900, 412300, 420546, 500650, 553350, 600780, 618450, 678300, 700910, 750975, 841092, 1001300, 1051365, 1106700, 1236900, 1401820, 1501950, 1752275, 2102730, 3003900, 3504550, 4205460, 5256825, 7009100, 10513650, 21027300]

約数ペア:

[(1, 21027300), (2, 10513650), (3, 7009100), (4, 5256825), (5, 4205460), (6, 3504550), (7, 3003900), (10, 2102730), (12, 1752275), (14, 1501950), (15, 1401820), (17, 1236900), (19, 1106700), (20, 1051365), (21, 1001300), (25, 841092), (28, 750975), (30, 700910), (31, 678300), (34, 618450), (35, 600780), (38, 553350), (42, 500650), (50, 420546), (51, 412300), (57, 368900), (60, 350455), (62, 339150), (68, 309225), (70, 300390), (75, 280364), (76, 276675), (84, 250325), (85, 247380), (93, 226100), (95, 221340), (100, 210273), (102, 206150), (105, 200260), (114, 184450), (119, 176700), (124, 169575), (133, 158100), (140, 150195), (150, 140182), (155, 135660), (170, 123690), (175, 120156), (186, 113050), (190, 110670), (204, 103075), (210, 100130), (217, 96900), (228, 92225), (238, 88350), (255, 82460), (266, 79050), (285, 73780), (300, 70091), (310, 67830), (323, 65100), (340, 61845), (350, 60078), (357, 58900), (372, 56525), (380, 55335), (399, 52700), (420, 50065), (425, 49476), (434, 48450), (465, 45220), (475, 44268), (476, 44175), (510, 41230), (525, 40052), (527, 39900), (532, 39525), (570, 36890), (589, 35700), (595, 35340), (620, 33915), (646, 32550), (651, 32300), (665, 31620), (700, 30039), (714, 29450), (775, 27132), (798, 26350), (850, 24738), (868, 24225), (930, 22610), (950, 22134), (969, 21700), (1020, 20615), (1050, 20026), (1054, 19950), (1085, 19380), (1140, 18445), (1178, 17850), (1190, 17670), (1275, 16492), (1292, 16275), (1302, 16150), (1330, 15810), (1425, 14756), (1428, 14725), (1550, 13566), (1581, 13300), (1596, 13175), (1615, 13020), (1700, 12369), (1767, 11900), (1785, 11780), (1860, 11305), (1900, 11067), (1938, 10850), (1995, 10540), (2100, 10013), (2108, 9975), (2170, 9690), (2261, 9300), (2325, 9044), (2356, 8925), (2380, 8835), (2550, 8246), (2604, 8075), (2635, 7980), (2660, 7905), (2850, 7378), (2945, 7140), (2975, 7068), (3100, 6783), (3162, 6650), (3230, 6510), (3255, 6460), (3325, 6324), (3534, 5950), (3570, 5890), (3689, 5700), (3876, 5425), (3990, 5270), (4123, 5100), (4340, 4845), (4522, 4650)]