21871779472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 46625587200

約数和(自身を除く): 24753807728

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 79, 101, 127, 142, 152, 158, 202, 254, 284, 304, 316, 404, 508, 568, 632, 808, 1016, 1136, 1264, 1349, 1501, 1616, 1919, 2032, 2413, 2698, 3002, 3838, 4826, 5396, 5609, 6004, 7171, 7676, 7979, 9017, 9652, 10033, 10792, 11218, 12008, 12827, 14342, 15352, 15958, 18034, 19304, 20066, 21584, 22436, 24016, 25654, 28684, 30704, 31916, 36068, 38608, 40132, 44872, 51308, 57368, 63832, 72136, 80264, 89744, 102616, 106571, 114736, 127664, 136249, 144272, 151601, 160528, 171323, 190627, 205232, 213142, 243713, 272498, 303202, 342646, 381254, 426284, 487426, 544996, 566509, 606404, 685292, 712343, 762508, 852568, 910717, 974852, 1013333, 1089992, 1133018, 1212808, 1370584, 1424686, 1525016, 1705136, 1821434, 1949704, 2026666, 2179984, 2266036, 2425616, 2741168, 2849372, 3050032, 3642868, 3899408, 4053332, 4532072, 5698744, 7285736, 8106664, 9064144, 10763671, 11397488, 13534517, 14571472, 16213328, 17303623, 19253327, 21527342, 27069034, 34607246, 38506654, 43054684, 54138068, 69214492, 71946643, 77013308, 86109368, 108276136, 138428984, 143893286, 154026616, 172218736, 216552272, 276857968, 287786572, 308053232, 575573144, 1151146288, 1366986217, 2733972434, 5467944868, 10935889736, 21871779472]

約数ペア:

[(1, 21871779472), (2, 10935889736), (4, 5467944868), (8, 2733972434), (16, 1366986217), (19, 1151146288), (38, 575573144), (71, 308053232), (76, 287786572), (79, 276857968), (101, 216552272), (127, 172218736), (142, 154026616), (152, 143893286), (158, 138428984), (202, 108276136), (254, 86109368), (284, 77013308), (304, 71946643), (316, 69214492), (404, 54138068), (508, 43054684), (568, 38506654), (632, 34607246), (808, 27069034), (1016, 21527342), (1136, 19253327), (1264, 17303623), (1349, 16213328), (1501, 14571472), (1616, 13534517), (1919, 11397488), (2032, 10763671), (2413, 9064144), (2698, 8106664), (3002, 7285736), (3838, 5698744), (4826, 4532072), (5396, 4053332), (5609, 3899408), (6004, 3642868), (7171, 3050032), (7676, 2849372), (7979, 2741168), (9017, 2425616), (9652, 2266036), (10033, 2179984), (10792, 2026666), (11218, 1949704), (12008, 1821434), (12827, 1705136), (14342, 1525016), (15352, 1424686), (15958, 1370584), (18034, 1212808), (19304, 1133018), (20066, 1089992), (21584, 1013333), (22436, 974852), (24016, 910717), (25654, 852568), (28684, 762508), (30704, 712343), (31916, 685292), (36068, 606404), (38608, 566509), (40132, 544996), (44872, 487426), (51308, 426284), (57368, 381254), (63832, 342646), (72136, 303202), (80264, 272498), (89744, 243713), (102616, 213142), (106571, 205232), (114736, 190627), (127664, 171323), (136249, 160528), (144272, 151601)]