21286473072

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{240623}}^1$

素因数の和:240750

約数の個数: 80

約数和(自身を含む): 58481256960

約数和(自身を除く): 37194783888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 228, 291, 304, 388, 456, 582, 776, 912, 1164, 1552, 1843, 2328, 3686, 4656, 5529, 7372, 11058, 14744, 22116, 29488, 44232, 88464, 240623, 481246, 721869, 962492, 1443738, 1924984, 2887476, 3849968, 4571837, 5774952, 9143674, 11549904, 13715511, 18287348, 23340431, 27431022, 36574696, 46680862, 54862044, 70021293, 73149392, 93361724, 109724088, 140042586, 186723448, 219448176, 280085172, 373446896, 443468189, 560170344, 886936378, 1120340688, 1330404567, 1773872756, 2660809134, 3547745512, 5321618268, 7095491024, 10643236536, 21286473072]

約数ペア:

[(1, 21286473072), (2, 10643236536), (3, 7095491024), (4, 5321618268), (6, 3547745512), (8, 2660809134), (12, 1773872756), (16, 1330404567), (19, 1120340688), (24, 886936378), (38, 560170344), (48, 443468189), (57, 373446896), (76, 280085172), (97, 219448176), (114, 186723448), (152, 140042586), (194, 109724088), (228, 93361724), (291, 73149392), (304, 70021293), (388, 54862044), (456, 46680862), (582, 36574696), (776, 27431022), (912, 23340431), (1164, 18287348), (1552, 13715511), (1843, 11549904), (2328, 9143674), (3686, 5774952), (4656, 4571837), (5529, 3849968), (7372, 2887476), (11058, 1924984), (14744, 1443738), (22116, 962492), (29488, 721869), (44232, 481246), (88464, 240623)]