21084734

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:752

約数の個数: 24

約数和(自身を含む): 35054544

約数和(自身を除く): 13969810

約数列:

[1, 2, 11, 22, 121, 151, 242, 302, 577, 1154, 1661, 3322, 6347, 12694, 18271, 36542, 69817, 87127, 139634, 174254, 958397, 1916794, 10542367, 21084734]

約数ペア:

[(1, 21084734), (2, 10542367), (11, 1916794), (22, 958397), (121, 174254), (151, 139634), (242, 87127), (302, 69817), (577, 36542), (1154, 18271), (1661, 12694), (3322, 6347)]