21036424

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71069}}^1$

素因数の和:71112

約数の個数: 16

約数和(自身を含む): 40509900

約数和(自身を除く): 19473476

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71069, 142138, 284276, 568552, 2629553, 5259106, 10518212, 21036424]

約数ペア:

[(1, 21036424), (2, 10518212), (4, 5259106), (8, 2629553), (37, 568552), (74, 284276), (148, 142138), (296, 71069)]