21688704

素因数分解:

$2^7\times 3^2\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 63568440

約数和(自身を除く): 41879736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 128, 134, 144, 192, 201, 268, 281, 288, 384, 402, 536, 562, 576, 603, 804, 843, 1072, 1124, 1152, 1206, 1608, 1686, 2144, 2248, 2412, 2529, 3216, 3372, 4288, 4496, 4824, 5058, 6432, 6744, 8576, 8992, 9648, 10116, 12864, 13488, 17984, 18827, 19296, 20232, 25728, 26976, 35968, 37654, 38592, 40464, 53952, 56481, 75308, 77184, 80928, 107904, 112962, 150616, 161856, 169443, 225924, 301232, 323712, 338886, 451848, 602464, 677772, 903696, 1204928, 1355544, 1807392, 2409856, 2711088, 3614784, 5422176, 7229568, 10844352, 21688704]

約数ペア:

[(1, 21688704), (2, 10844352), (3, 7229568), (4, 5422176), (6, 3614784), (8, 2711088), (9, 2409856), (12, 1807392), (16, 1355544), (18, 1204928), (24, 903696), (32, 677772), (36, 602464), (48, 451848), (64, 338886), (67, 323712), (72, 301232), (96, 225924), (128, 169443), (134, 161856), (144, 150616), (192, 112962), (201, 107904), (268, 80928), (281, 77184), (288, 75308), (384, 56481), (402, 53952), (536, 40464), (562, 38592), (576, 37654), (603, 35968), (804, 26976), (843, 25728), (1072, 20232), (1124, 19296), (1152, 18827), (1206, 17984), (1608, 13488), (1686, 12864), (2144, 10116), (2248, 9648), (2412, 8992), (2529, 8576), (3216, 6744), (3372, 6432), (4288, 5058), (4496, 4824)]