20211994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{11069}}^1$

素因数の和:11165

約数の個数: 16

約数和(自身を含む): 33475680

約数和(自身を除く): 13263686

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 11069, 22138, 121759, 243518, 918727, 1837454, 10105997, 20211994]

約数ペア:

[(1, 20211994), (2, 10105997), (11, 1837454), (22, 918727), (83, 243518), (166, 121759), (913, 22138), (1826, 11069)]