21667524

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 55604640

約数和(自身を除く): 33937116

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 113, 114, 116, 174, 226, 228, 339, 348, 452, 551, 678, 841, 1102, 1356, 1653, 1682, 2147, 2204, 2523, 3277, 3306, 3364, 4294, 5046, 6441, 6554, 6612, 8588, 9831, 10092, 12882, 13108, 15979, 19662, 25764, 31958, 39324, 47937, 62263, 63916, 95033, 95874, 124526, 186789, 190066, 191748, 249052, 285099, 373578, 380132, 570198, 747156, 1140396, 1805627, 3611254, 5416881, 7222508, 10833762, 21667524]

約数ペア:

[(1, 21667524), (2, 10833762), (3, 7222508), (4, 5416881), (6, 3611254), (12, 1805627), (19, 1140396), (29, 747156), (38, 570198), (57, 380132), (58, 373578), (76, 285099), (87, 249052), (113, 191748), (114, 190066), (116, 186789), (174, 124526), (226, 95874), (228, 95033), (339, 63916), (348, 62263), (452, 47937), (551, 39324), (678, 31958), (841, 25764), (1102, 19662), (1356, 15979), (1653, 13108), (1682, 12882), (2147, 10092), (2204, 9831), (2523, 8588), (3277, 6612), (3306, 6554), (3364, 6441), (4294, 5046)]