21167357896

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{1277}}^1\times {\mathrm{19009}}^1$

素因数の和:20401

約数の個数: 32

約数和(自身を含む): 40086387000

約数和(自身を除く): 18919029104

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 1277, 2554, 5108, 10216, 19009, 38018, 76036, 139193, 152072, 278386, 556772, 1113544, 2071981, 4143962, 8287924, 16575848, 24274493, 48548986, 97097972, 194195944, 2645919737, 5291839474, 10583678948, 21167357896]

約数ペア:

[(1, 21167357896), (2, 10583678948), (4, 5291839474), (8, 2645919737), (109, 194195944), (218, 97097972), (436, 48548986), (872, 24274493), (1277, 16575848), (2554, 8287924), (5108, 4143962), (10216, 2071981), (19009, 1113544), (38018, 556772), (76036, 278386), (139193, 152072)]