21312756

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31159}}^1$

素因数の和:31188

約数の個数: 36

約数和(自身を含む): 56711200

約数和(自身を除く): 35398444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31159, 62318, 93477, 124636, 186954, 280431, 373908, 560862, 592021, 1121724, 1184042, 1776063, 2368084, 3552126, 5328189, 7104252, 10656378, 21312756]

約数ペア:

[(1, 21312756), (2, 10656378), (3, 7104252), (4, 5328189), (6, 3552126), (9, 2368084), (12, 1776063), (18, 1184042), (19, 1121724), (36, 592021), (38, 560862), (57, 373908), (76, 280431), (114, 186954), (171, 124636), (228, 93477), (342, 62318), (684, 31159)]