21543652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7817}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 41372856

約数和(自身を除く): 19829204

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7817, 15634, 31268, 101621, 203242, 406484, 414301, 828602, 1657204, 5385913, 10771826, 21543652]

約数ペア:

[(1, 21543652), (2, 10771826), (4, 5385913), (13, 1657204), (26, 828602), (52, 414301), (53, 406484), (106, 203242), (212, 101621), (689, 31268), (1378, 15634), (2756, 7817)]