21454857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3453

約数の個数: 24

約数和(自身を含む): 33512960

約数和(自身を除く): 12058103

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 3391, 6327, 10173, 30519, 64429, 125467, 193287, 376401, 579861, 1129203, 2383873, 7151619, 21454857]

約数ペア:

[(1, 21454857), (3, 7151619), (9, 2383873), (19, 1129203), (37, 579861), (57, 376401), (111, 193287), (171, 125467), (333, 64429), (703, 30519), (2109, 10173), (3391, 6327)]