21055695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61031}}^1$

素因数の和:61062

約数の個数: 16

約数和(自身を含む): 35154432

約数和(自身を除く): 14098737

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61031, 183093, 305155, 915465, 1403713, 4211139, 7018565, 21055695]

約数ペア:

[(1, 21055695), (3, 7018565), (5, 4211139), (15, 1403713), (23, 915465), (69, 305155), (115, 183093), (345, 61031)]