21143608

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 41290560

約数和(自身を除く): 20146952

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 1061, 2122, 2491, 4244, 4982, 8488, 9964, 19928, 49867, 56233, 99734, 112466, 199468, 224932, 398936, 449864, 2642951, 5285902, 10571804, 21143608]

約数ペア:

[(1, 21143608), (2, 10571804), (4, 5285902), (8, 2642951), (47, 449864), (53, 398936), (94, 224932), (106, 199468), (188, 112466), (212, 99734), (376, 56233), (424, 49867), (1061, 19928), (2122, 9964), (2491, 8488), (4244, 4982)]