21613307

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 24095232

約数和(自身を除く): 2481925

約数列:

[1, 17, 23, 167, 331, 391, 2839, 3841, 5627, 7613, 55277, 65297, 129421, 939709, 1271371, 21613307]

約数ペア:

[(1, 21613307), (17, 1271371), (23, 939709), (167, 129421), (331, 65297), (391, 55277), (2839, 7613), (3841, 5627)]