21766686

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 23092194

約数列:

[1, 2, 3, 6, 43, 86, 129, 239, 258, 353, 478, 706, 717, 1059, 1434, 2118, 10277, 15179, 20554, 30358, 30831, 45537, 61662, 84367, 91074, 168734, 253101, 506202, 3627781, 7255562, 10883343, 21766686]

約数ペア:

[(1, 21766686), (2, 10883343), (3, 7255562), (6, 3627781), (43, 506202), (86, 253101), (129, 168734), (239, 91074), (258, 84367), (353, 61662), (478, 45537), (706, 30831), (717, 30358), (1059, 20554), (1434, 15179), (2118, 10277)]