21731542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91309}}^1$

素因数の和:91335

約数の個数: 16

約数和(自身を含む): 39445920

約数和(自身を除く): 17714378

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91309, 182618, 639163, 1278326, 1552253, 3104506, 10865771, 21731542]

約数ペア:

[(1, 21731542), (2, 10865771), (7, 3104506), (14, 1552253), (17, 1278326), (34, 639163), (119, 182618), (238, 91309)]