21006130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91331}}^1$

素因数の和:91361

約数の個数: 16

約数和(自身を含む): 39455424

約数和(自身を除く): 18449294

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91331, 182662, 456655, 913310, 2100613, 4201226, 10503065, 21006130]

約数ペア:

[(1, 21006130), (2, 10503065), (5, 4201226), (10, 2100613), (23, 913310), (46, 456655), (115, 182662), (230, 91331)]