21288298

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1161

約数の個数: 16

約数和(自身を含む): 32714280

約数和(自身を除く): 11425982

約数列:

[1, 2, 53, 106, 229, 458, 877, 1754, 12137, 24274, 46481, 92962, 200833, 401666, 10644149, 21288298]

約数ペア:

[(1, 21288298), (2, 10644149), (53, 401666), (106, 200833), (229, 92962), (458, 46481), (877, 24274), (1754, 12137)]