21271301

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 23482368

約数和(自身を除く): 2211067

約数列:

[1, 17, 31, 181, 223, 527, 3077, 3791, 5611, 6913, 40363, 95387, 117521, 686171, 1251253, 21271301]

約数ペア:

[(1, 21271301), (17, 1251253), (31, 686171), (181, 117521), (223, 95387), (527, 40363), (3077, 6913), (3791, 5611)]