21211508734

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{4651}}^1$

素因数の和:4913

約数の個数: 48

約数和(自身を含む): 35060598144

約数和(自身を除く): 13849089410

約数列:

[1, 2, 13, 26, 103, 131, 169, 206, 262, 338, 1339, 1703, 2678, 3406, 4651, 9302, 13493, 17407, 22139, 26986, 34814, 44278, 60463, 120926, 175409, 350818, 479053, 609281, 786019, 958106, 1218562, 1572038, 2280317, 4560634, 6227689, 7920653, 12455378, 15841306, 62755943, 80959957, 102968489, 125511886, 161919914, 205936978, 815827259, 1631654518, 10605754367, 21211508734]

約数ペア:

[(1, 21211508734), (2, 10605754367), (13, 1631654518), (26, 815827259), (103, 205936978), (131, 161919914), (169, 125511886), (206, 102968489), (262, 80959957), (338, 62755943), (1339, 15841306), (1703, 12455378), (2678, 7920653), (3406, 6227689), (4651, 4560634), (9302, 2280317), (13493, 1572038), (17407, 1218562), (22139, 958106), (26986, 786019), (34814, 609281), (44278, 479053), (60463, 350818), (120926, 175409)]