21490111512

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{43427}}^1$

素因数の和:43550

約数の個数: 128

約数和(自身を含む): 62536320000

約数和(自身を除く): 41046208488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 79, 87, 108, 116, 158, 174, 216, 232, 237, 261, 316, 348, 474, 522, 632, 696, 711, 783, 948, 1044, 1422, 1566, 1896, 2088, 2133, 2291, 2844, 3132, 4266, 4582, 5688, 6264, 6873, 8532, 9164, 13746, 17064, 18328, 20619, 27492, 41238, 43427, 54984, 61857, 82476, 86854, 123714, 130281, 164952, 173708, 247428, 260562, 347416, 390843, 494856, 521124, 781686, 1042248, 1172529, 1259383, 1563372, 2345058, 2518766, 3126744, 3430733, 3778149, 4690116, 5037532, 6861466, 7556298, 9380232, 10075064, 10292199, 11334447, 13722932, 15112596, 20584398, 22668894, 27445864, 30225192, 30876597, 34003341, 41168796, 45337788, 61753194, 68006682, 82337592, 90675576, 92629791, 99491257, 123506388, 136013364, 185259582, 198982514, 247012776, 272026728, 298473771, 370519164, 397965028, 596947542, 741038328, 795930056, 895421313, 1193895084, 1790842626, 2387790168, 2686263939, 3581685252, 5372527878, 7163370504, 10745055756, 21490111512]

約数ペア:

[(1, 21490111512), (2, 10745055756), (3, 7163370504), (4, 5372527878), (6, 3581685252), (8, 2686263939), (9, 2387790168), (12, 1790842626), (18, 1193895084), (24, 895421313), (27, 795930056), (29, 741038328), (36, 596947542), (54, 397965028), (58, 370519164), (72, 298473771), (79, 272026728), (87, 247012776), (108, 198982514), (116, 185259582), (158, 136013364), (174, 123506388), (216, 99491257), (232, 92629791), (237, 90675576), (261, 82337592), (316, 68006682), (348, 61753194), (474, 45337788), (522, 41168796), (632, 34003341), (696, 30876597), (711, 30225192), (783, 27445864), (948, 22668894), (1044, 20584398), (1422, 15112596), (1566, 13722932), (1896, 11334447), (2088, 10292199), (2133, 10075064), (2291, 9380232), (2844, 7556298), (3132, 6861466), (4266, 5037532), (4582, 4690116), (5688, 3778149), (6264, 3430733), (6873, 3126744), (8532, 2518766), (9164, 2345058), (13746, 1563372), (17064, 1259383), (18328, 1172529), (20619, 1042248), (27492, 781686), (41238, 521124), (43427, 494856), (54984, 390843), (61857, 347416), (82476, 260562), (86854, 247428), (123714, 173708), (130281, 164952)]