21723586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8999}}^1$

素因数の和:9089

約数の個数: 16

約数和(自身を含む): 34992000

約数和(自身を除く): 13268414

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8999, 17998, 152983, 305966, 638929, 1277858, 10861793, 21723586]

約数ペア:

[(1, 21723586), (2, 10861793), (17, 1277858), (34, 638929), (71, 305966), (142, 152983), (1207, 17998), (2414, 8999)]