21473508726

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1381}}^1\times {\mathrm{1811}}^1$

素因数の和:3259

約数の個数: 80

約数和(自身を含む): 49087014768

約数和(自身を除く): 27613506042

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 954, 1381, 1431, 1811, 2762, 2862, 3622, 4143, 4293, 5433, 8286, 8586, 10866, 12429, 16299, 24858, 32598, 37287, 48897, 73193, 74574, 95983, 97794, 111861, 146386, 146691, 191966, 219579, 223722, 287949, 293382, 439158, 575898, 658737, 863847, 1317474, 1727694, 1976211, 2500991, 2591541, 3952422, 5001982, 5183082, 5928633, 7502973, 7774623, 11857266, 15005946, 15549246, 22508919, 45017838, 67526757, 132552523, 135053514, 202580271, 265105046, 397657569, 405160542, 795315138, 1192972707, 2385945414, 3578918121, 7157836242, 10736754363, 21473508726]

約数ペア:

[(1, 21473508726), (2, 10736754363), (3, 7157836242), (6, 3578918121), (9, 2385945414), (18, 1192972707), (27, 795315138), (53, 405160542), (54, 397657569), (81, 265105046), (106, 202580271), (159, 135053514), (162, 132552523), (318, 67526757), (477, 45017838), (954, 22508919), (1381, 15549246), (1431, 15005946), (1811, 11857266), (2762, 7774623), (2862, 7502973), (3622, 5928633), (4143, 5183082), (4293, 5001982), (5433, 3952422), (8286, 2591541), (8586, 2500991), (10866, 1976211), (12429, 1727694), (16299, 1317474), (24858, 863847), (32598, 658737), (37287, 575898), (48897, 439158), (73193, 293382), (74574, 287949), (95983, 223722), (97794, 219579), (111861, 191966), (146386, 146691)]