21132437557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1627}}^1$

素因数の和:1826

約数の個数: 64

約数和(自身を含む): 27936792576

約数和(自身を除く): 6804355019

約数列:

[1, 7, 11, 37, 47, 77, 97, 259, 329, 407, 517, 679, 1067, 1627, 1739, 2849, 3589, 3619, 4559, 7469, 11389, 12173, 17897, 19129, 25123, 31913, 39479, 50149, 60199, 76469, 125279, 133903, 157819, 168683, 276353, 351043, 421393, 535283, 662189, 841159, 1104733, 1180781, 1736009, 1855513, 2829353, 4635323, 5839303, 5888113, 7417493, 12152063, 12988591, 19805471, 31122883, 40875121, 51922451, 64232333, 81592423, 217860181, 274447241, 449626331, 571146961, 1921130687, 3018919651, 21132437557]

約数ペア:

[(1, 21132437557), (7, 3018919651), (11, 1921130687), (37, 571146961), (47, 449626331), (77, 274447241), (97, 217860181), (259, 81592423), (329, 64232333), (407, 51922451), (517, 40875121), (679, 31122883), (1067, 19805471), (1627, 12988591), (1739, 12152063), (2849, 7417493), (3589, 5888113), (3619, 5839303), (4559, 4635323), (7469, 2829353), (11389, 1855513), (12173, 1736009), (17897, 1180781), (19129, 1104733), (25123, 841159), (31913, 662189), (39479, 535283), (50149, 421393), (60199, 351043), (76469, 276353), (125279, 168683), (133903, 157819)]