21178642

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11779}}^1$

素因数の和:11841

約数の個数: 16

約数和(自身を含む): 33926400

約数和(自身を除く): 12747758

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 11779, 23558, 341591, 365149, 683182, 730298, 10589321, 21178642]

約数ペア:

[(1, 21178642), (2, 10589321), (29, 730298), (31, 683182), (58, 365149), (62, 341591), (899, 23558), (1798, 11779)]