21031384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10391}}^1$

素因数の和:10431

約数の個数: 32

約数和(自身を含む): 44893440

約数和(自身を除く): 23862056

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10391, 20782, 41564, 83128, 114301, 228602, 238993, 457204, 477986, 914408, 955972, 1911944, 2628923, 5257846, 10515692, 21031384]

約数ペア:

[(1, 21031384), (2, 10515692), (4, 5257846), (8, 2628923), (11, 1911944), (22, 955972), (23, 914408), (44, 477986), (46, 457204), (88, 238993), (92, 228602), (184, 114301), (253, 83128), (506, 41564), (1012, 20782), (2024, 10391)]