21454791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1301}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 8543289

約数列:

[1, 3, 23, 69, 239, 717, 1301, 3903, 5497, 16491, 29923, 89769, 310939, 932817, 7151597, 21454791]

約数ペア:

[(1, 21454791), (3, 7151597), (23, 932817), (69, 310939), (239, 89769), (717, 29923), (1301, 16491), (3903, 5497)]