21907293

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{8581}}^1$

素因数の和:8644

約数の個数: 16

約数和(自身を含む): 31307136

約数和(自身を除く): 9399843

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 8581, 25743, 197363, 317497, 592089, 952491, 7302431, 21907293]

約数ペア:

[(1, 21907293), (3, 7302431), (23, 952491), (37, 592089), (69, 317497), (111, 197363), (851, 25743), (2553, 8581)]