202121309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{9521}}^1$

素因数の和:9628

約数の個数: 16

約数和(自身を含む): 230356224

約数和(自身を除く): 28234915

約数列:

[1, 13, 23, 71, 299, 923, 1633, 9521, 21229, 123773, 218983, 675991, 2846779, 8787883, 15547793, 202121309]

約数ペア:

[(1, 202121309), (13, 15547793), (23, 8787883), (71, 2846779), (299, 675991), (923, 218983), (1633, 123773), (9521, 21229)]