21496560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2142

約数の個数: 80

約数和(自身を含む): 68221824

約数和(自身を除く): 46725264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2083, 2580, 3440, 4166, 5160, 6249, 8332, 10320, 10415, 12498, 16664, 20830, 24996, 31245, 33328, 41660, 49992, 62490, 83320, 89569, 99984, 124980, 166640, 179138, 249960, 268707, 358276, 447845, 499920, 537414, 716552, 895690, 1074828, 1343535, 1433104, 1791380, 2149656, 2687070, 3582760, 4299312, 5374140, 7165520, 10748280, 21496560]

約数ペア:

[(1, 21496560), (2, 10748280), (3, 7165520), (4, 5374140), (5, 4299312), (6, 3582760), (8, 2687070), (10, 2149656), (12, 1791380), (15, 1433104), (16, 1343535), (20, 1074828), (24, 895690), (30, 716552), (40, 537414), (43, 499920), (48, 447845), (60, 358276), (80, 268707), (86, 249960), (120, 179138), (129, 166640), (172, 124980), (215, 99984), (240, 89569), (258, 83320), (344, 62490), (430, 49992), (516, 41660), (645, 33328), (688, 31245), (860, 24996), (1032, 20830), (1290, 16664), (1720, 12498), (2064, 10415), (2083, 10320), (2580, 8332), (3440, 6249), (4166, 5160)]