21544011

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 31878080

約数和(自身を除く): 10334069

約数列:

[1, 3, 9, 79, 157, 193, 237, 471, 579, 711, 1413, 1737, 12403, 15247, 30301, 37209, 45741, 90903, 111627, 137223, 272709, 2393779, 7181337, 21544011]

約数ペア:

[(1, 21544011), (3, 7181337), (9, 2393779), (79, 272709), (157, 137223), (193, 111627), (237, 90903), (471, 45741), (579, 37209), (711, 30301), (1413, 15247), (1737, 12403)]