21873748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1049}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 41365800

約数和(自身を除く): 19492052

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 1049, 1604, 2098, 4196, 5213, 10426, 13637, 20852, 27274, 54548, 420649, 841298, 1682596, 5468437, 10936874, 21873748]

約数ペア:

[(1, 21873748), (2, 10936874), (4, 5468437), (13, 1682596), (26, 841298), (52, 420649), (401, 54548), (802, 27274), (1049, 20852), (1604, 13637), (2098, 10426), (4196, 5213)]