21295128

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23981}}^1$

素因数の和:24027

約数の個数: 32

約数和(自身を含む): 54678960

約数和(自身を除く): 33383832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23981, 47962, 71943, 95924, 143886, 191848, 287772, 575544, 887297, 1774594, 2661891, 3549188, 5323782, 7098376, 10647564, 21295128]

約数ペア:

[(1, 21295128), (2, 10647564), (3, 7098376), (4, 5323782), (6, 3549188), (8, 2661891), (12, 1774594), (24, 887297), (37, 575544), (74, 287772), (111, 191848), (148, 143886), (222, 95924), (296, 71943), (444, 47962), (888, 23981)]