21072002

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 38928384

約数和(自身を除く): 17856382

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 2111, 4222, 4991, 9982, 14777, 29554, 48553, 65441, 97106, 130882, 339871, 458087, 679742, 916174, 1505143, 3010286, 10536001, 21072002]

約数ペア:

[(1, 21072002), (2, 10536001), (7, 3010286), (14, 1505143), (23, 916174), (31, 679742), (46, 458087), (62, 339871), (161, 130882), (217, 97106), (322, 65441), (434, 48553), (713, 29554), (1426, 14777), (2111, 9982), (4222, 4991)]