21363738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3637}}^1$

素因数の和:3742

約数の個数: 32

約数和(自身を含む): 47148480

約数和(自身を除く): 25784742

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3637, 5874, 7274, 10911, 21822, 40007, 80014, 120021, 240042, 323693, 647386, 971079, 1942158, 3560623, 7121246, 10681869, 21363738]

約数ペア:

[(1, 21363738), (2, 10681869), (3, 7121246), (6, 3560623), (11, 1942158), (22, 971079), (33, 647386), (66, 323693), (89, 240042), (178, 120021), (267, 80014), (534, 40007), (979, 21822), (1958, 10911), (2937, 7274), (3637, 5874)]