21091607943

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{587}}^1\times {\mathrm{6089}}^1$

素因数の和:6967

約数の個数: 32

約数和(自身を含む): 32314222080

約数和(自身を除く): 11222614137

約数列:

[1, 3, 7, 21, 281, 587, 843, 1761, 1967, 4109, 5901, 6089, 12327, 18267, 42623, 127869, 164947, 494841, 1154629, 1711009, 3463887, 3574243, 5133027, 10722729, 11977063, 25019701, 35931189, 75059103, 1004362283, 3013086849, 7030535981, 21091607943]

約数ペア:

[(1, 21091607943), (3, 7030535981), (7, 3013086849), (21, 1004362283), (281, 75059103), (587, 35931189), (843, 25019701), (1761, 11977063), (1967, 10722729), (4109, 5133027), (5901, 3574243), (6089, 3463887), (12327, 1711009), (18267, 1154629), (42623, 494841), (127869, 164947)]