21435586

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10837}}^1$

素因数の和:10905

約数の個数: 16

約数和(自身を含む): 34334784

約数和(自身を除く): 12899198

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10837, 21674, 249251, 465991, 498502, 931982, 10717793, 21435586]

約数ペア:

[(1, 21435586), (2, 10717793), (23, 931982), (43, 498502), (46, 465991), (86, 249251), (989, 21674), (1978, 10837)]