21074072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 42029280

約数和(自身を除く): 20955208

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2161, 2438, 4322, 4876, 8644, 9752, 17288, 49703, 99406, 114533, 198812, 229066, 397624, 458132, 916264, 2634259, 5268518, 10537036, 21074072]

約数ペア:

[(1, 21074072), (2, 10537036), (4, 5268518), (8, 2634259), (23, 916264), (46, 458132), (53, 397624), (92, 229066), (106, 198812), (184, 114533), (212, 99406), (424, 49703), (1219, 17288), (2161, 9752), (2438, 8644), (4322, 4876)]