21000604791

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1511}}^1\times {\mathrm{2237}}^1$

素因数の和:3879

約数の個数: 32

約数和(自身を含む): 29777932800

約数和(自身を除く): 8777328009

約数列:

[1, 3, 19, 57, 109, 327, 1511, 2071, 2237, 4533, 6213, 6711, 28709, 42503, 86127, 127509, 164699, 243833, 494097, 731499, 3129281, 3380107, 4632827, 9387843, 10140321, 13898481, 64222033, 192666099, 368431663, 1105294989, 7000201597, 21000604791]

約数ペア:

[(1, 21000604791), (3, 7000201597), (19, 1105294989), (57, 368431663), (109, 192666099), (327, 64222033), (1511, 13898481), (2071, 10140321), (2237, 9387843), (4533, 4632827), (6213, 3380107), (6711, 3129281), (28709, 731499), (42503, 494097), (86127, 243833), (127509, 164699)]