21263291286

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{836413}}^1$

素因数の和:836660

約数の個数: 32

約数和(自身を含む): 44965616640

約数和(自身を除く): 23702325354

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 223, 446, 669, 1338, 4237, 8474, 12711, 25422, 836413, 1672826, 2509239, 5018478, 15891847, 31783694, 47675541, 95351082, 186520099, 373040198, 559560297, 1119120594, 3543881881, 7087763762, 10631645643, 21263291286]

約数ペア:

[(1, 21263291286), (2, 10631645643), (3, 7087763762), (6, 3543881881), (19, 1119120594), (38, 559560297), (57, 373040198), (114, 186520099), (223, 95351082), (446, 47675541), (669, 31783694), (1338, 15891847), (4237, 5018478), (8474, 2509239), (12711, 1672826), (25422, 836413)]