21371567405195

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38959}}^1\times {\mathrm{921959}}^1$

素因数の和:960947

約数の個数: 32

約数和(自身を含む): 31034501222400

約数和(自身を除く): 9662933817205

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 38959, 194795, 272713, 662303, 921959, 1363565, 3311515, 4609795, 4636121, 6453713, 15673303, 23180605, 32268565, 78366515, 109713121, 548565605, 35918600681, 179593003405, 251430204767, 610616211577, 1257151023835, 3053081057885, 4274313481039, 21371567405195]

約数ペア:

[(1, 21371567405195), (5, 4274313481039), (7, 3053081057885), (17, 1257151023835), (35, 610616211577), (85, 251430204767), (119, 179593003405), (595, 35918600681), (38959, 548565605), (194795, 109713121), (272713, 78366515), (662303, 32268565), (921959, 23180605), (1363565, 15673303), (3311515, 6453713), (4609795, 4636121)]