21582616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245257}}^1$

素因数の和:245274

約数の個数: 16

約数和(自身を含む): 44146440

約数和(自身を除く): 22563824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245257, 490514, 981028, 1962056, 2697827, 5395654, 10791308, 21582616]

約数ペア:

[(1, 21582616), (2, 10791308), (4, 5395654), (8, 2697827), (11, 1962056), (22, 981028), (44, 490514), (88, 245257)]