21301491

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 29127168

約数和(自身を除く): 7825677

約数列:

[1, 3, 71, 97, 213, 291, 1031, 3093, 6887, 20661, 73201, 100007, 219603, 300021, 7100497, 21301491]

約数ペア:

[(1, 21301491), (3, 7100497), (71, 300021), (97, 219603), (213, 100007), (291, 73201), (1031, 20661), (3093, 6887)]