21524804

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1163}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 43151808

約数和(自身を除く): 21627004

約数列:

[1, 2, 4, 7, 14, 28, 661, 1163, 1322, 2326, 2644, 4627, 4652, 8141, 9254, 16282, 18508, 32564, 768743, 1537486, 3074972, 5381201, 10762402, 21524804]

約数ペア:

[(1, 21524804), (2, 10762402), (4, 5381201), (7, 3074972), (14, 1537486), (28, 768743), (661, 32564), (1163, 18508), (1322, 16282), (2326, 9254), (2644, 8141), (4627, 4652)]