21051456

素因数分解:

$2^6\times 3^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1419

約数の個数: 56

約数和(自身を含む): 56412384

約数和(自身を除く): 35360928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 166, 192, 249, 332, 498, 664, 996, 1321, 1328, 1992, 2642, 2656, 3963, 3984, 5284, 5312, 7926, 7968, 10568, 15852, 15936, 21136, 31704, 42272, 63408, 84544, 109643, 126816, 219286, 253632, 328929, 438572, 657858, 877144, 1315716, 1754288, 2631432, 3508576, 5262864, 7017152, 10525728, 21051456]

約数ペア:

[(1, 21051456), (2, 10525728), (3, 7017152), (4, 5262864), (6, 3508576), (8, 2631432), (12, 1754288), (16, 1315716), (24, 877144), (32, 657858), (48, 438572), (64, 328929), (83, 253632), (96, 219286), (166, 126816), (192, 109643), (249, 84544), (332, 63408), (498, 42272), (664, 31704), (996, 21136), (1321, 15936), (1328, 15852), (1992, 10568), (2642, 7968), (2656, 7926), (3963, 5312), (3984, 5284)]