21059542

素因数分解:

$2^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{2003}}^1$

素因数の和:2763

約数の個数: 16

約数和(自身を含む): 36168192

約数和(自身を除く): 15108650

約数列:

[1, 2, 7, 14, 751, 1502, 2003, 4006, 5257, 10514, 14021, 28042, 1504253, 3008506, 10529771, 21059542]

約数ペア:

[(1, 21059542), (2, 10529771), (7, 3008506), (14, 1504253), (751, 28042), (1502, 14021), (2003, 10514), (4006, 5257)]