21098866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{877}}^1$

素因数の和:1425

約数の個数: 16

約数和(自身を含む): 33125184

約数和(自身を除く): 12026318

約数列:

[1, 2, 23, 46, 523, 877, 1046, 1754, 12029, 20171, 24058, 40342, 458671, 917342, 10549433, 21098866]

約数ペア:

[(1, 21098866), (2, 10549433), (23, 917342), (46, 458671), (523, 40342), (877, 24058), (1046, 20171), (1754, 12029)]