21132978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{941}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 44763840

約数和(自身を除く): 23630862

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 197, 394, 591, 941, 1182, 1882, 2823, 3743, 5646, 7486, 11229, 17879, 22458, 35758, 53637, 107274, 185377, 370754, 556131, 1112262, 3522163, 7044326, 10566489, 21132978]

約数ペア:

[(1, 21132978), (2, 10566489), (3, 7044326), (6, 3522163), (19, 1112262), (38, 556131), (57, 370754), (114, 185377), (197, 107274), (394, 53637), (591, 35758), (941, 22458), (1182, 17879), (1882, 11229), (2823, 7486), (3743, 5646)]