21708049016

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{160591}}^1$

素因数の和:160935

約数の個数: 32

約数和(自身を含む): 41519455680

約数和(自身を除く): 19811406664

約数列:

[1, 2, 4, 8, 61, 122, 244, 277, 488, 554, 1108, 2216, 16897, 33794, 67588, 135176, 160591, 321182, 642364, 1284728, 9796051, 19592102, 39184204, 44483707, 78368408, 88967414, 177934828, 355869656, 2713506127, 5427012254, 10854024508, 21708049016]

約数ペア:

[(1, 21708049016), (2, 10854024508), (4, 5427012254), (8, 2713506127), (61, 355869656), (122, 177934828), (244, 88967414), (277, 78368408), (488, 44483707), (554, 39184204), (1108, 19592102), (2216, 9796051), (16897, 1284728), (33794, 642364), (67588, 321182), (135176, 160591)]