21975912

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6229}}^1$

素因数の和:6255

約数の個数: 72

約数和(自身を含む): 69246450

約数和(自身を除く): 47270538

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6229, 12458, 18687, 24916, 37374, 43603, 49832, 56061, 74748, 87206, 112122, 130809, 149496, 174412, 224244, 261618, 305221, 348824, 392427, 448488, 523236, 610442, 784854, 915663, 1046472, 1220884, 1569708, 1831326, 2441768, 2746989, 3139416, 3662652, 5493978, 7325304, 10987956, 21975912]

約数ペア:

[(1, 21975912), (2, 10987956), (3, 7325304), (4, 5493978), (6, 3662652), (7, 3139416), (8, 2746989), (9, 2441768), (12, 1831326), (14, 1569708), (18, 1220884), (21, 1046472), (24, 915663), (28, 784854), (36, 610442), (42, 523236), (49, 448488), (56, 392427), (63, 348824), (72, 305221), (84, 261618), (98, 224244), (126, 174412), (147, 149496), (168, 130809), (196, 112122), (252, 87206), (294, 74748), (392, 56061), (441, 49832), (504, 43603), (588, 37374), (882, 24916), (1176, 18687), (1764, 12458), (3528, 6229)]