21799544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{797}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 22441576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 797, 1052, 1594, 2104, 3188, 3419, 6376, 6838, 10361, 13676, 20722, 27352, 41444, 82888, 209611, 419222, 838444, 1676888, 2724943, 5449886, 10899772, 21799544]

約数ペア:

[(1, 21799544), (2, 10899772), (4, 5449886), (8, 2724943), (13, 1676888), (26, 838444), (52, 419222), (104, 209611), (263, 82888), (526, 41444), (797, 27352), (1052, 20722), (1594, 13676), (2104, 10361), (3188, 6838), (3419, 6376)]