21083811

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1483}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 32196864

約数和(自身を除く): 11113053

約数列:

[1, 3, 7, 21, 677, 1483, 2031, 4449, 4739, 10381, 14217, 31143, 1003991, 3011973, 7027937, 21083811]

約数ペア:

[(1, 21083811), (3, 7027937), (7, 3011973), (21, 1003991), (677, 31143), (1483, 14217), (2031, 10381), (4449, 4739)]