21470792

素因数分解:

$2^3\times 7^1\times {\mathrm{467}}^1\times {\mathrm{821}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 46163520

約数和(自身を除く): 24692728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 467, 821, 934, 1642, 1868, 3269, 3284, 3736, 5747, 6538, 6568, 11494, 13076, 22988, 26152, 45976, 383407, 766814, 1533628, 2683849, 3067256, 5367698, 10735396, 21470792]

約数ペア:

[(1, 21470792), (2, 10735396), (4, 5367698), (7, 3067256), (8, 2683849), (14, 1533628), (28, 766814), (56, 383407), (467, 45976), (821, 26152), (934, 22988), (1642, 13076), (1868, 11494), (3269, 6568), (3284, 6538), (3736, 5747)]