21055266

素因数分解:

$2^1\times 3^2\times {\mathrm{347}}^1\times {\mathrm{3371}}^1$

素因数の和:3726

約数の個数: 24

約数和(自身を含む): 45764784

約数和(自身を除く): 24709518

約数列:

[1, 2, 3, 6, 9, 18, 347, 694, 1041, 2082, 3123, 3371, 6246, 6742, 10113, 20226, 30339, 60678, 1169737, 2339474, 3509211, 7018422, 10527633, 21055266]

約数ペア:

[(1, 21055266), (2, 10527633), (3, 7018422), (6, 3509211), (9, 2339474), (18, 1169737), (347, 60678), (694, 30339), (1041, 20226), (2082, 10113), (3123, 6742), (3371, 6246)]