21475814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1601}}^1$

素因数の和:1975

約数の個数: 16

約数和(自身を含む): 34026480

約数和(自身を除く): 12550666

約数列:

[1, 2, 19, 38, 353, 706, 1601, 3202, 6707, 13414, 30419, 60838, 565153, 1130306, 10737907, 21475814]

約数ペア:

[(1, 21475814), (2, 10737907), (19, 1130306), (38, 565153), (353, 60838), (706, 30419), (1601, 13414), (3202, 6707)]