21121650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 65808288

約数和(自身を除く): 44686638

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 30, 33, 34, 45, 50, 51, 55, 66, 75, 85, 90, 99, 102, 110, 150, 153, 165, 170, 187, 198, 225, 251, 255, 275, 306, 330, 374, 425, 450, 495, 502, 510, 550, 561, 753, 765, 825, 850, 935, 990, 1122, 1255, 1275, 1506, 1530, 1650, 1683, 1870, 2259, 2475, 2510, 2550, 2761, 2805, 3366, 3765, 3825, 4267, 4518, 4675, 4950, 5522, 5610, 6275, 7530, 7650, 8283, 8415, 8534, 9350, 11295, 12550, 12801, 13805, 14025, 16566, 16830, 18825, 21335, 22590, 24849, 25602, 27610, 28050, 37650, 38403, 41415, 42075, 42670, 46937, 49698, 56475, 64005, 69025, 76806, 82830, 84150, 93874, 106675, 112950, 124245, 128010, 138050, 140811, 192015, 207075, 213350, 234685, 248490, 281622, 320025, 384030, 414150, 422433, 469370, 621225, 640050, 704055, 844866, 960075, 1173425, 1242450, 1408110, 1920150, 2112165, 2346850, 3520275, 4224330, 7040550, 10560825, 21121650]

約数ペア:

[(1, 21121650), (2, 10560825), (3, 7040550), (5, 4224330), (6, 3520275), (9, 2346850), (10, 2112165), (11, 1920150), (15, 1408110), (17, 1242450), (18, 1173425), (22, 960075), (25, 844866), (30, 704055), (33, 640050), (34, 621225), (45, 469370), (50, 422433), (51, 414150), (55, 384030), (66, 320025), (75, 281622), (85, 248490), (90, 234685), (99, 213350), (102, 207075), (110, 192015), (150, 140811), (153, 138050), (165, 128010), (170, 124245), (187, 112950), (198, 106675), (225, 93874), (251, 84150), (255, 82830), (275, 76806), (306, 69025), (330, 64005), (374, 56475), (425, 49698), (450, 46937), (495, 42670), (502, 42075), (510, 41415), (550, 38403), (561, 37650), (753, 28050), (765, 27610), (825, 25602), (850, 24849), (935, 22590), (990, 21335), (1122, 18825), (1255, 16830), (1275, 16566), (1506, 14025), (1530, 13805), (1650, 12801), (1683, 12550), (1870, 11295), (2259, 9350), (2475, 8534), (2510, 8415), (2550, 8283), (2761, 7650), (2805, 7530), (3366, 6275), (3765, 5610), (3825, 5522), (4267, 4950), (4518, 4675)]