2921000397

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1045829}}^1$

素因数の和:1045865

約数の個数: 24

約数和(自身を含む): 4768984800

約数和(自身を除く): 1847984403

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 1045829, 3137487, 7320803, 19870751, 21962409, 51245621, 59612253, 139095257, 153736863, 417285771, 973666799, 2921000397]

約数ペア:

[(1, 2921000397), (3, 973666799), (7, 417285771), (19, 153736863), (21, 139095257), (49, 59612253), (57, 51245621), (133, 21962409), (147, 19870751), (399, 7320803), (931, 3137487), (2793, 1045829)]