21060555

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23017}}^1$

素因数の和:23086

約数の個数: 16

約数和(自身を含む): 34250784

約数和(自身を除く): 13190229

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 23017, 69051, 115085, 345255, 1404037, 4212111, 7020185, 21060555]

約数ペア:

[(1, 21060555), (3, 7020185), (5, 4212111), (15, 1404037), (61, 345255), (183, 115085), (305, 69051), (915, 23017)]