21260372

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33013}}^1$

素因数の和:33047

約数の個数: 24

約数和(自身を含む): 44370816

約数和(自身を除く): 23110444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33013, 66026, 132052, 231091, 462182, 759299, 924364, 1518598, 3037196, 5315093, 10630186, 21260372]

約数ペア:

[(1, 21260372), (2, 10630186), (4, 5315093), (7, 3037196), (14, 1518598), (23, 924364), (28, 759299), (46, 462182), (92, 231091), (161, 132052), (322, 66026), (644, 33013)]