21797774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20731

約数の個数: 16

約数和(自身を含む): 35738496

約数和(自身を除く): 13940722

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20681, 41362, 351577, 641111, 703154, 1282222, 10898887, 21797774]

約数ペア:

[(1, 21797774), (2, 10898887), (17, 1282222), (31, 703154), (34, 641111), (62, 351577), (527, 41362), (1054, 20681)]