21657150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 65286000

約数和(自身を除く): 43628850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 25, 30, 34, 38, 45, 50, 51, 57, 75, 85, 90, 95, 102, 114, 149, 150, 153, 170, 171, 190, 225, 255, 285, 298, 306, 323, 342, 425, 447, 450, 475, 510, 570, 646, 745, 765, 850, 855, 894, 950, 969, 1275, 1341, 1425, 1490, 1530, 1615, 1710, 1938, 2235, 2533, 2550, 2682, 2831, 2850, 2907, 3230, 3725, 3825, 4275, 4470, 4845, 5066, 5662, 5814, 6705, 7450, 7599, 7650, 8075, 8493, 8550, 9690, 11175, 12665, 13410, 14155, 14535, 15198, 16150, 16986, 22350, 22797, 24225, 25330, 25479, 28310, 29070, 33525, 37995, 42465, 45594, 48127, 48450, 50958, 63325, 67050, 70775, 72675, 75990, 84930, 96254, 113985, 126650, 127395, 141550, 144381, 145350, 189975, 212325, 227970, 240635, 254790, 288762, 379950, 424650, 433143, 481270, 569925, 636975, 721905, 866286, 1139850, 1203175, 1273950, 1443810, 2165715, 2406350, 3609525, 4331430, 7219050, 10828575, 21657150]

約数ペア:

[(1, 21657150), (2, 10828575), (3, 7219050), (5, 4331430), (6, 3609525), (9, 2406350), (10, 2165715), (15, 1443810), (17, 1273950), (18, 1203175), (19, 1139850), (25, 866286), (30, 721905), (34, 636975), (38, 569925), (45, 481270), (50, 433143), (51, 424650), (57, 379950), (75, 288762), (85, 254790), (90, 240635), (95, 227970), (102, 212325), (114, 189975), (149, 145350), (150, 144381), (153, 141550), (170, 127395), (171, 126650), (190, 113985), (225, 96254), (255, 84930), (285, 75990), (298, 72675), (306, 70775), (323, 67050), (342, 63325), (425, 50958), (447, 48450), (450, 48127), (475, 45594), (510, 42465), (570, 37995), (646, 33525), (745, 29070), (765, 28310), (850, 25479), (855, 25330), (894, 24225), (950, 22797), (969, 22350), (1275, 16986), (1341, 16150), (1425, 15198), (1490, 14535), (1530, 14155), (1615, 13410), (1710, 12665), (1938, 11175), (2235, 9690), (2533, 8550), (2550, 8493), (2682, 8075), (2831, 7650), (2850, 7599), (2907, 7450), (3230, 6705), (3725, 5814), (3825, 5662), (4275, 5066), (4470, 4845)]