21478743

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5596

約数の個数: 32

約数和(自身を含む): 37390080

約数和(自身を除く): 15911337

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5563, 16689, 50067, 61193, 72319, 150201, 183579, 216957, 550737, 650871, 795509, 1652211, 1952613, 2386527, 7159581, 21478743]

約数ペア:

[(1, 21478743), (3, 7159581), (9, 2386527), (11, 1952613), (13, 1652211), (27, 795509), (33, 650871), (39, 550737), (99, 216957), (117, 183579), (143, 150201), (297, 72319), (351, 61193), (429, 50067), (1287, 16689), (3861, 5563)]