21493216

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6521}}^1$

素因数の和:6634

約数の個数: 24

約数和(自身を含む): 42732144

約数和(自身を除く): 21238928

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6521, 13042, 26084, 52168, 104336, 208672, 671663, 1343326, 2686652, 5373304, 10746608, 21493216]

約数ペア:

[(1, 21493216), (2, 10746608), (4, 5373304), (8, 2686652), (16, 1343326), (32, 671663), (103, 208672), (206, 104336), (412, 52168), (824, 26084), (1648, 13042), (3296, 6521)]