21534747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2861}}^1$

素因数の和:3070

約数の個数: 16

約数和(自身を含む): 31092768

約数和(自身を除く): 9558021

約数列:

[1, 3, 13, 39, 193, 579, 2509, 2861, 7527, 8583, 37193, 111579, 552173, 1656519, 7178249, 21534747]

約数ペア:

[(1, 21534747), (3, 7178249), (13, 1656519), (39, 552173), (193, 111579), (579, 37193), (2509, 8583), (2861, 7527)]