21188542760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16111}}^1$

素因数の和:16208

約数の個数: 192

約数和(自身を含む): 61494992640

約数和(自身を除く): 40306449880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 61, 70, 77, 88, 98, 110, 122, 140, 154, 196, 220, 244, 245, 280, 305, 308, 385, 392, 427, 440, 488, 490, 539, 610, 616, 671, 770, 854, 980, 1078, 1220, 1342, 1540, 1708, 1960, 2135, 2156, 2440, 2684, 2695, 2989, 3080, 3355, 3416, 4270, 4312, 4697, 5368, 5390, 5978, 6710, 8540, 9394, 10780, 11956, 13420, 14945, 16111, 17080, 18788, 21560, 23485, 23912, 26840, 29890, 32222, 32879, 37576, 46970, 59780, 64444, 65758, 80555, 93940, 112777, 119560, 128888, 131516, 161110, 164395, 177221, 187880, 225554, 263032, 322220, 328790, 354442, 451108, 563885, 644440, 657580, 708884, 789439, 886105, 902216, 982771, 1127770, 1240547, 1315160, 1417768, 1578878, 1772210, 1965542, 2255540, 2481094, 3157756, 3544420, 3931084, 3947195, 4511080, 4913855, 4962188, 6202735, 6315512, 6879397, 7088840, 7862168, 7894390, 8683829, 9827710, 9924376, 10810481, 12405470, 13758794, 15788780, 17367658, 19655420, 21620962, 24810940, 27517588, 31577560, 34396985, 34735316, 39310840, 43241924, 43419145, 48155779, 49621880, 54052405, 55035176, 68793970, 69470632, 75673367, 86483848, 86838290, 96311558, 108104810, 137587940, 151346734, 173676580, 192623116, 216209620, 240778895, 275175880, 302693468, 347353160, 378366835, 385246232, 432419240, 481557790, 529713569, 605386936, 756733670, 963115580, 1059427138, 1513467340, 1926231160, 2118854276, 2648567845, 3026934680, 4237708552, 5297135690, 10594271380, 21188542760]

約数ペア:

[(1, 21188542760), (2, 10594271380), (4, 5297135690), (5, 4237708552), (7, 3026934680), (8, 2648567845), (10, 2118854276), (11, 1926231160), (14, 1513467340), (20, 1059427138), (22, 963115580), (28, 756733670), (35, 605386936), (40, 529713569), (44, 481557790), (49, 432419240), (55, 385246232), (56, 378366835), (61, 347353160), (70, 302693468), (77, 275175880), (88, 240778895), (98, 216209620), (110, 192623116), (122, 173676580), (140, 151346734), (154, 137587940), (196, 108104810), (220, 96311558), (244, 86838290), (245, 86483848), (280, 75673367), (305, 69470632), (308, 68793970), (385, 55035176), (392, 54052405), (427, 49621880), (440, 48155779), (488, 43419145), (490, 43241924), (539, 39310840), (610, 34735316), (616, 34396985), (671, 31577560), (770, 27517588), (854, 24810940), (980, 21620962), (1078, 19655420), (1220, 17367658), (1342, 15788780), (1540, 13758794), (1708, 12405470), (1960, 10810481), (2135, 9924376), (2156, 9827710), (2440, 8683829), (2684, 7894390), (2695, 7862168), (2989, 7088840), (3080, 6879397), (3355, 6315512), (3416, 6202735), (4270, 4962188), (4312, 4913855), (4697, 4511080), (5368, 3947195), (5390, 3931084), (5978, 3544420), (6710, 3157756), (8540, 2481094), (9394, 2255540), (10780, 1965542), (11956, 1772210), (13420, 1578878), (14945, 1417768), (16111, 1315160), (17080, 1240547), (18788, 1127770), (21560, 982771), (23485, 902216), (23912, 886105), (26840, 789439), (29890, 708884), (32222, 657580), (32879, 644440), (37576, 563885), (46970, 451108), (59780, 354442), (64444, 328790), (65758, 322220), (80555, 263032), (93940, 225554), (112777, 187880), (119560, 177221), (128888, 164395), (131516, 161110)]