21120044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12973}}^1$

素因数の和:13025

約数の個数: 24

約数和(自身を含む): 41413008

約数和(自身を除く): 20292964

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12973, 25946, 51892, 142703, 285406, 480001, 570812, 960002, 1920004, 5280011, 10560022, 21120044]

約数ペア:

[(1, 21120044), (2, 10560022), (4, 5280011), (11, 1920004), (22, 960002), (37, 570812), (44, 480001), (74, 285406), (148, 142703), (407, 51892), (814, 25946), (1628, 12973)]