21079350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 72

約数和(自身を含む): 57209880

約数和(自身を除く): 36130530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 139, 150, 225, 278, 337, 417, 450, 674, 695, 834, 1011, 1251, 1390, 1685, 2022, 2085, 2502, 3033, 3370, 3475, 4170, 5055, 6066, 6255, 6950, 8425, 10110, 10425, 12510, 15165, 16850, 20850, 25275, 30330, 31275, 46843, 50550, 62550, 75825, 93686, 140529, 151650, 234215, 281058, 421587, 468430, 702645, 843174, 1171075, 1405290, 2107935, 2342150, 3513225, 4215870, 7026450, 10539675, 21079350]

約数ペア:

[(1, 21079350), (2, 10539675), (3, 7026450), (5, 4215870), (6, 3513225), (9, 2342150), (10, 2107935), (15, 1405290), (18, 1171075), (25, 843174), (30, 702645), (45, 468430), (50, 421587), (75, 281058), (90, 234215), (139, 151650), (150, 140529), (225, 93686), (278, 75825), (337, 62550), (417, 50550), (450, 46843), (674, 31275), (695, 30330), (834, 25275), (1011, 20850), (1251, 16850), (1390, 15165), (1685, 12510), (2022, 10425), (2085, 10110), (2502, 8425), (3033, 6950), (3370, 6255), (3475, 6066), (4170, 5055)]