21446080

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2311}}^1$

素因数の和:2357

約数の個数: 56

約数和(自身を含む): 52852320

約数和(自身を除く): 31406240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2311, 2320, 4622, 4640, 9244, 9280, 11555, 18488, 23110, 36976, 46220, 67019, 73952, 92440, 134038, 147904, 184880, 268076, 335095, 369760, 536152, 670190, 739520, 1072304, 1340380, 2144608, 2680760, 4289216, 5361520, 10723040, 21446080]

約数ペア:

[(1, 21446080), (2, 10723040), (4, 5361520), (5, 4289216), (8, 2680760), (10, 2144608), (16, 1340380), (20, 1072304), (29, 739520), (32, 670190), (40, 536152), (58, 369760), (64, 335095), (80, 268076), (116, 184880), (145, 147904), (160, 134038), (232, 92440), (290, 73952), (320, 67019), (464, 46220), (580, 36976), (928, 23110), (1160, 18488), (1856, 11555), (2311, 9280), (2320, 9244), (4622, 4640)]