21282318

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20743}}^1$

素因数の和:20773

約数の個数: 32

約数和(自身を含む): 49785600

約数和(自身を除く): 28503282

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20743, 41486, 62229, 124458, 186687, 373374, 394117, 560061, 788234, 1120122, 1182351, 2364702, 3547053, 7094106, 10641159, 21282318]

約数ペア:

[(1, 21282318), (2, 10641159), (3, 7094106), (6, 3547053), (9, 2364702), (18, 1182351), (19, 1120122), (27, 788234), (38, 560061), (54, 394117), (57, 373374), (114, 186687), (171, 124458), (342, 62229), (513, 41486), (1026, 20743)]