21436197744

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{19961}}^1$

素因数の和:21706

約数の個数: 80

約数和(自身を含む): 59674243104

約数和(自身を除く): 38238045360

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1721, 3442, 5163, 6884, 10326, 13768, 19961, 20652, 22373, 27536, 39922, 41304, 44746, 59883, 67119, 79844, 82608, 89492, 119766, 134238, 159688, 178984, 239532, 259493, 268476, 319376, 357968, 479064, 518986, 536952, 778479, 958128, 1037972, 1073904, 1556958, 2075944, 3113916, 4151888, 6227832, 12455664, 34352881, 68705762, 103058643, 137411524, 206117286, 274823048, 412234572, 446587453, 549646096, 824469144, 893174906, 1339762359, 1648938288, 1786349812, 2679524718, 3572699624, 5359049436, 7145399248, 10718098872, 21436197744]

約数ペア:

[(1, 21436197744), (2, 10718098872), (3, 7145399248), (4, 5359049436), (6, 3572699624), (8, 2679524718), (12, 1786349812), (13, 1648938288), (16, 1339762359), (24, 893174906), (26, 824469144), (39, 549646096), (48, 446587453), (52, 412234572), (78, 274823048), (104, 206117286), (156, 137411524), (208, 103058643), (312, 68705762), (624, 34352881), (1721, 12455664), (3442, 6227832), (5163, 4151888), (6884, 3113916), (10326, 2075944), (13768, 1556958), (19961, 1073904), (20652, 1037972), (22373, 958128), (27536, 778479), (39922, 536952), (41304, 518986), (44746, 479064), (59883, 357968), (67119, 319376), (79844, 268476), (82608, 259493), (89492, 239532), (119766, 178984), (134238, 159688)]