21014170778876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{8233}}^1\times {\mathrm{442823}}^1$

素因数の和:451202

約数の個数: 48

約数和(自身を含む): 40429207703808

約数和(自身を除く): 19415036924932

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 8233, 16466, 32932, 90563, 181126, 362252, 442823, 885646, 1078523, 1771292, 2157046, 4314092, 4871053, 9742106, 11863753, 19484212, 23727506, 47455012, 58009813, 116019626, 232039252, 638107943, 1276215886, 2552431772, 3645761759, 7291523518, 14583047036, 40103379349, 80206758698, 160413517396, 477594790429, 955189580858, 1910379161716, 5253542694719, 10507085389438, 21014170778876]

約数ペア:

[(1, 21014170778876), (2, 10507085389438), (4, 5253542694719), (11, 1910379161716), (22, 955189580858), (44, 477594790429), (131, 160413517396), (262, 80206758698), (524, 40103379349), (1441, 14583047036), (2882, 7291523518), (5764, 3645761759), (8233, 2552431772), (16466, 1276215886), (32932, 638107943), (90563, 232039252), (181126, 116019626), (362252, 58009813), (442823, 47455012), (885646, 23727506), (1078523, 19484212), (1771292, 11863753), (2157046, 9742106), (4314092, 4871053)]