21140700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10067}}^1$

素因数の和:10091

約数の個数: 72

約数和(自身を含む): 69912192

約数和(自身を除く): 48771492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10067, 20134, 30201, 40268, 50335, 60402, 70469, 100670, 120804, 140938, 151005, 201340, 211407, 251675, 281876, 302010, 352345, 422814, 503350, 604020, 704690, 755025, 845628, 1006700, 1057035, 1409380, 1510050, 1761725, 2114070, 3020100, 3523450, 4228140, 5285175, 7046900, 10570350, 21140700]

約数ペア:

[(1, 21140700), (2, 10570350), (3, 7046900), (4, 5285175), (5, 4228140), (6, 3523450), (7, 3020100), (10, 2114070), (12, 1761725), (14, 1510050), (15, 1409380), (20, 1057035), (21, 1006700), (25, 845628), (28, 755025), (30, 704690), (35, 604020), (42, 503350), (50, 422814), (60, 352345), (70, 302010), (75, 281876), (84, 251675), (100, 211407), (105, 201340), (140, 151005), (150, 140938), (175, 120804), (210, 100670), (300, 70469), (350, 60402), (420, 50335), (525, 40268), (700, 30201), (1050, 20134), (2100, 10067)]