21217728

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15787}}^1$

素因数の和:15809

約数の個数: 56

約数和(自身を含む): 64162432

約数和(自身を除く): 42944704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15787, 31574, 47361, 63148, 94722, 110509, 126296, 189444, 221018, 252592, 331527, 378888, 442036, 505184, 663054, 757776, 884072, 1010368, 1326108, 1515552, 1768144, 2652216, 3031104, 3536288, 5304432, 7072576, 10608864, 21217728]

約数ペア:

[(1, 21217728), (2, 10608864), (3, 7072576), (4, 5304432), (6, 3536288), (7, 3031104), (8, 2652216), (12, 1768144), (14, 1515552), (16, 1326108), (21, 1010368), (24, 884072), (28, 757776), (32, 663054), (42, 505184), (48, 442036), (56, 378888), (64, 331527), (84, 252592), (96, 221018), (112, 189444), (168, 126296), (192, 110509), (224, 94722), (336, 63148), (448, 47361), (672, 31574), (1344, 15787)]