21121586

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 32192640

約数和(自身を除く): 11071054

約数列:

[1, 2, 107, 214, 229, 431, 458, 862, 24503, 46117, 49006, 92234, 98699, 197398, 10560793, 21121586]

約数ペア:

[(1, 21121586), (2, 10560793), (107, 197398), (214, 98699), (229, 92234), (431, 49006), (458, 46117), (862, 24503)]