21193028

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1033}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 38911488

約数和(自身を除く): 17718460

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 1033, 2066, 4132, 5129, 10258, 20516, 23759, 47518, 95036, 230359, 460718, 921436, 5298257, 10596514, 21193028]

約数ペア:

[(1, 21193028), (2, 10596514), (4, 5298257), (23, 921436), (46, 460718), (92, 230359), (223, 95036), (446, 47518), (892, 23759), (1033, 20516), (2066, 10258), (4132, 5129)]