21554073

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5827}}^1$

素因数の和:5973

約数の個数: 16

約数和(自身を含む): 32170560

約数和(自身を除く): 10616487

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5827, 17481, 52443, 157329, 798299, 2394897, 7184691, 21554073]

約数ペア:

[(1, 21554073), (3, 7184691), (9, 2394897), (27, 798299), (137, 157329), (411, 52443), (1233, 17481), (3699, 5827)]