21259722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1669}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 46653120

約数和(自身を除く): 25393398

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 193, 386, 579, 1158, 1669, 2123, 3338, 4246, 5007, 6369, 10014, 12738, 18359, 36718, 55077, 110154, 322117, 644234, 966351, 1932702, 3543287, 7086574, 10629861, 21259722]

約数ペア:

[(1, 21259722), (2, 10629861), (3, 7086574), (6, 3543287), (11, 1932702), (22, 966351), (33, 644234), (66, 322117), (193, 110154), (386, 55077), (579, 36718), (1158, 18359), (1669, 12738), (2123, 10014), (3338, 6369), (4246, 5007)]