21929985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6329}}^1$

素因数の和:6358

約数の個数: 48

約数和(自身を含む): 47399040

約数和(自身を除く): 25469055

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6329, 18987, 31645, 44303, 56961, 69619, 94935, 132909, 208857, 221515, 284805, 348095, 398727, 487333, 626571, 664545, 1044285, 1461999, 1993635, 2436665, 3132855, 4385997, 7309995, 21929985]

約数ペア:

[(1, 21929985), (3, 7309995), (5, 4385997), (7, 3132855), (9, 2436665), (11, 1993635), (15, 1461999), (21, 1044285), (33, 664545), (35, 626571), (45, 487333), (55, 398727), (63, 348095), (77, 284805), (99, 221515), (105, 208857), (165, 132909), (231, 94935), (315, 69619), (385, 56961), (495, 44303), (693, 31645), (1155, 18987), (3465, 6329)]