21747709

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 24606720

約数和(自身を除く): 2859011

約数列:

[1, 17, 29, 31, 493, 527, 899, 1423, 15283, 24191, 41267, 44113, 701539, 749921, 1279277, 21747709]

約数ペア:

[(1, 21747709), (17, 1279277), (29, 749921), (31, 701539), (493, 44113), (527, 41267), (899, 24191), (1423, 15283)]