21549149

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2400931

約数列:

[1, 17, 41, 43, 697, 719, 731, 1763, 12223, 29479, 29971, 30917, 501143, 525589, 1267597, 21549149]

約数ペア:

[(1, 21549149), (17, 1267597), (41, 525589), (43, 501143), (697, 30917), (719, 29971), (731, 29479), (1763, 12223)]