21260006

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:883

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 11226394

約数列:

[1, 2, 79, 158, 239, 478, 563, 1126, 18881, 37762, 44477, 88954, 134557, 269114, 10630003, 21260006]

約数ペア:

[(1, 21260006), (2, 10630003), (79, 269114), (158, 134557), (239, 88954), (478, 44477), (563, 37762), (1126, 18881)]