21702144

素因数分解:

$2^9\times 3^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 37222656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 199, 213, 256, 284, 384, 398, 426, 512, 568, 597, 768, 796, 852, 1136, 1194, 1536, 1592, 1704, 2272, 2388, 3184, 3408, 4544, 4776, 6368, 6816, 9088, 9552, 12736, 13632, 14129, 18176, 19104, 25472, 27264, 28258, 36352, 38208, 42387, 50944, 54528, 56516, 76416, 84774, 101888, 109056, 113032, 152832, 169548, 226064, 305664, 339096, 452128, 678192, 904256, 1356384, 1808512, 2712768, 3617024, 5425536, 7234048, 10851072, 21702144]

約数ペア:

[(1, 21702144), (2, 10851072), (3, 7234048), (4, 5425536), (6, 3617024), (8, 2712768), (12, 1808512), (16, 1356384), (24, 904256), (32, 678192), (48, 452128), (64, 339096), (71, 305664), (96, 226064), (128, 169548), (142, 152832), (192, 113032), (199, 109056), (213, 101888), (256, 84774), (284, 76416), (384, 56516), (398, 54528), (426, 50944), (512, 42387), (568, 38208), (597, 36352), (768, 28258), (796, 27264), (852, 25472), (1136, 19104), (1194, 18176), (1536, 14129), (1592, 13632), (1704, 12736), (2272, 9552), (2388, 9088), (3184, 6816), (3408, 6368), (4544, 4776)]