21017088

素因数分解:

$2^9\times 3^2\times {\mathrm{4561}}^1$

素因数の和:4585

約数の個数: 60

約数和(自身を含む): 60670038

約数和(自身を除く): 39652950

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4561, 4608, 9122, 13683, 18244, 27366, 36488, 41049, 54732, 72976, 82098, 109464, 145952, 164196, 218928, 291904, 328392, 437856, 583808, 656784, 875712, 1167616, 1313568, 1751424, 2335232, 2627136, 3502848, 5254272, 7005696, 10508544, 21017088]

約数ペア:

[(1, 21017088), (2, 10508544), (3, 7005696), (4, 5254272), (6, 3502848), (8, 2627136), (9, 2335232), (12, 1751424), (16, 1313568), (18, 1167616), (24, 875712), (32, 656784), (36, 583808), (48, 437856), (64, 328392), (72, 291904), (96, 218928), (128, 164196), (144, 145952), (192, 109464), (256, 82098), (288, 72976), (384, 54732), (512, 41049), (576, 36488), (768, 27366), (1152, 18244), (1536, 13683), (2304, 9122), (4561, 4608)]