21430766

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18443}}^1$

素因数の和:18535

約数の個数: 16

約数和(自身を含む): 37183104

約数和(自身を除く): 15752338

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18443, 36886, 129101, 258202, 1530769, 3061538, 10715383, 21430766]

約数ペア:

[(1, 21430766), (2, 10715383), (7, 3061538), (14, 1530769), (83, 258202), (166, 129101), (581, 36886), (1162, 18443)]