21480944

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3719}}^1$

素因数の和:3765

約数の個数: 30

約数和(自身を含む): 43936920

約数和(自身を除く): 22455976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3719, 5776, 7438, 14876, 29752, 59504, 70661, 141322, 282644, 565288, 1130576, 1342559, 2685118, 5370236, 10740472, 21480944]

約数ペア:

[(1, 21480944), (2, 10740472), (4, 5370236), (8, 2685118), (16, 1342559), (19, 1130576), (38, 565288), (76, 282644), (152, 141322), (304, 70661), (361, 59504), (722, 29752), (1444, 14876), (2888, 7438), (3719, 5776)]