21366411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{937}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 31156608

約数和(自身を除く): 9790197

約数列:

[1, 3, 11, 33, 691, 937, 2073, 2811, 7601, 10307, 22803, 30921, 647467, 1942401, 7122137, 21366411]

約数ペア:

[(1, 21366411), (3, 7122137), (11, 1942401), (33, 647467), (691, 30921), (937, 22803), (2073, 10307), (2811, 7601)]