21398982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3643}}^1$

素因数の和:3748

約数の個数: 32

約数和(自身を含む): 47226240

約数和(自身を除く): 25827258

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3643, 5874, 7286, 10929, 21858, 40073, 80146, 120219, 240438, 324227, 648454, 972681, 1945362, 3566497, 7132994, 10699491, 21398982]

約数ペア:

[(1, 21398982), (2, 10699491), (3, 7132994), (6, 3566497), (11, 1945362), (22, 972681), (33, 648454), (66, 324227), (89, 240438), (178, 120219), (267, 80146), (534, 40073), (979, 21858), (1958, 10929), (2937, 7286), (3643, 5874)]