21374928

素因数分解:

$2^4\times 3^4\times {\mathrm{16493}}^1$

素因数の和:16513

約数の個数: 50

約数和(自身を含む): 61868994

約数和(自身を除く): 40494066

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16493, 32986, 49479, 65972, 98958, 131944, 148437, 197916, 263888, 296874, 395832, 445311, 593748, 791664, 890622, 1187496, 1335933, 1781244, 2374992, 2671866, 3562488, 5343732, 7124976, 10687464, 21374928]

約数ペア:

[(1, 21374928), (2, 10687464), (3, 7124976), (4, 5343732), (6, 3562488), (8, 2671866), (9, 2374992), (12, 1781244), (16, 1335933), (18, 1187496), (24, 890622), (27, 791664), (36, 593748), (48, 445311), (54, 395832), (72, 296874), (81, 263888), (108, 197916), (144, 148437), (162, 131944), (216, 98958), (324, 65972), (432, 49479), (648, 32986), (1296, 16493)]