21035824

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5501}}^1$

素因数の和:5748

約数の個数: 20

約数和(自身を含む): 40934880

約数和(自身を除く): 19899056

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5501, 11002, 22004, 44008, 88016, 1314739, 2629478, 5258956, 10517912, 21035824]

約数ペア:

[(1, 21035824), (2, 10517912), (4, 5258956), (8, 2629478), (16, 1314739), (239, 88016), (478, 44008), (956, 22004), (1912, 11002), (3824, 5501)]