21864237

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 30855168

約数和(自身を除く): 8990931

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4463, 4899, 13389, 102649, 307947, 316873, 950619, 7288079, 21864237]

約数ペア:

[(1, 21864237), (3, 7288079), (23, 950619), (69, 316873), (71, 307947), (213, 102649), (1633, 13389), (4463, 4899)]