21263799

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9941}}^1$

素因数の和:9998

約数の個数: 16

約数和(自身を含む): 30541824

約数和(自身を除く): 9278025

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9941, 29823, 228643, 308171, 685929, 924513, 7087933, 21263799]

約数ペア:

[(1, 21263799), (3, 7087933), (23, 924513), (31, 685929), (69, 308171), (93, 228643), (713, 29823), (2139, 9941)]