21017101

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4272

約数の個数: 16

約数和(自身を含む): 25878528

約数和(自身を除く): 4861427

約数列:

[1, 7, 23, 31, 161, 217, 713, 4211, 4991, 29477, 96853, 130541, 677971, 913787, 3002443, 21017101]

約数ペア:

[(1, 21017101), (7, 3002443), (23, 913787), (31, 677971), (161, 130541), (217, 96853), (713, 29477), (4211, 4991)]