21430642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10333}}^1$

素因数の和:10413

約数の個数: 16

約数和(自身を含む): 34598232

約数和(自身を除く): 13167590

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10333, 20666, 175661, 351322, 630313, 1260626, 10715321, 21430642]

約数ペア:

[(1, 21430642), (2, 10715321), (17, 1260626), (34, 630313), (61, 351322), (122, 175661), (1037, 20666), (2074, 10333)]