21793305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 36691200

約数和(自身を除く): 14897895

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 349, 543, 905, 1047, 1745, 2715, 4163, 5235, 8027, 12489, 20815, 24081, 40135, 62445, 63169, 120405, 189507, 315845, 947535, 1452887, 4358661, 7264435, 21793305]

約数ペア:

[(1, 21793305), (3, 7264435), (5, 4358661), (15, 1452887), (23, 947535), (69, 315845), (115, 189507), (181, 120405), (345, 63169), (349, 62445), (543, 40135), (905, 24081), (1047, 20815), (1745, 12489), (2715, 8027), (4163, 5235)]