21167972332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{809297}}^1$

素因数の和:809817

約数の個数: 24

約数和(自身を含む): 39972846816

約数和(自身を除く): 18804874484

約数列:

[1, 2, 4, 13, 26, 52, 503, 1006, 2012, 6539, 13078, 26156, 809297, 1618594, 3237188, 10520861, 21041722, 42083444, 407076391, 814152782, 1628305564, 5291993083, 10583986166, 21167972332]

約数ペア:

[(1, 21167972332), (2, 10583986166), (4, 5291993083), (13, 1628305564), (26, 814152782), (52, 407076391), (503, 42083444), (1006, 21041722), (2012, 10520861), (6539, 3237188), (13078, 1618594), (26156, 809297)]