21241500

素因数分解:

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

素因数の和:70

約数の個数: 216

約数和(自身を含む): 76435632

約数和(自身を除く): 55194132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 49, 50, 51, 60, 68, 70, 75, 84, 85, 98, 100, 102, 105, 119, 125, 140, 147, 150, 170, 175, 196, 204, 210, 238, 245, 250, 255, 289, 294, 300, 340, 350, 357, 375, 420, 425, 476, 490, 500, 510, 525, 578, 588, 595, 700, 714, 735, 750, 833, 850, 867, 875, 980, 1020, 1050, 1156, 1190, 1225, 1275, 1428, 1445, 1470, 1500, 1666, 1700, 1734, 1750, 1785, 2023, 2100, 2125, 2380, 2450, 2499, 2550, 2625, 2890, 2940, 2975, 3332, 3468, 3500, 3570, 3675, 4046, 4165, 4250, 4335, 4900, 4998, 5100, 5250, 5780, 5950, 6069, 6125, 6375, 7140, 7225, 7350, 8092, 8330, 8500, 8670, 8925, 9996, 10115, 10500, 11900, 12138, 12250, 12495, 12750, 14161, 14450, 14700, 14875, 16660, 17340, 17850, 18375, 20230, 20825, 21675, 24276, 24500, 24990, 25500, 28322, 28900, 29750, 30345, 35700, 36125, 36750, 40460, 41650, 42483, 43350, 44625, 49980, 50575, 56644, 59500, 60690, 62475, 70805, 72250, 73500, 83300, 84966, 86700, 89250, 101150, 104125, 108375, 121380, 124950, 141610, 144500, 151725, 169932, 178500, 202300, 208250, 212415, 216750, 249900, 252875, 283220, 303450, 312375, 354025, 416500, 424830, 433500, 505750, 606900, 624750, 708050, 758625, 849660, 1011500, 1062075, 1249500, 1416100, 1517250, 1770125, 2124150, 3034500, 3540250, 4248300, 5310375, 7080500, 10620750, 21241500]

約数ペア:

[(1, 21241500), (2, 10620750), (3, 7080500), (4, 5310375), (5, 4248300), (6, 3540250), (7, 3034500), (10, 2124150), (12, 1770125), (14, 1517250), (15, 1416100), (17, 1249500), (20, 1062075), (21, 1011500), (25, 849660), (28, 758625), (30, 708050), (34, 624750), (35, 606900), (42, 505750), (49, 433500), (50, 424830), (51, 416500), (60, 354025), (68, 312375), (70, 303450), (75, 283220), (84, 252875), (85, 249900), (98, 216750), (100, 212415), (102, 208250), (105, 202300), (119, 178500), (125, 169932), (140, 151725), (147, 144500), (150, 141610), (170, 124950), (175, 121380), (196, 108375), (204, 104125), (210, 101150), (238, 89250), (245, 86700), (250, 84966), (255, 83300), (289, 73500), (294, 72250), (300, 70805), (340, 62475), (350, 60690), (357, 59500), (375, 56644), (420, 50575), (425, 49980), (476, 44625), (490, 43350), (500, 42483), (510, 41650), (525, 40460), (578, 36750), (588, 36125), (595, 35700), (700, 30345), (714, 29750), (735, 28900), (750, 28322), (833, 25500), (850, 24990), (867, 24500), (875, 24276), (980, 21675), (1020, 20825), (1050, 20230), (1156, 18375), (1190, 17850), (1225, 17340), (1275, 16660), (1428, 14875), (1445, 14700), (1470, 14450), (1500, 14161), (1666, 12750), (1700, 12495), (1734, 12250), (1750, 12138), (1785, 11900), (2023, 10500), (2100, 10115), (2125, 9996), (2380, 8925), (2450, 8670), (2499, 8500), (2550, 8330), (2625, 8092), (2890, 7350), (2940, 7225), (2975, 7140), (3332, 6375), (3468, 6125), (3500, 6069), (3570, 5950), (3675, 5780), (4046, 5250), (4165, 5100), (4250, 4998), (4335, 4900)]