21122910735

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1\times {\mathrm{13669}}^1$

素因数の和:15199

約数の個数: 32

約数和(自身を含む): 34298795520

約数和(自身を除く): 13175884785

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1451, 4353, 7255, 13669, 21765, 41007, 68345, 103021, 205035, 309063, 515105, 970499, 1545315, 2911497, 4852495, 14557485, 19833719, 59501157, 99168595, 297505785, 1408194049, 4224582147, 7040970245, 21122910735]

約数ペア:

[(1, 21122910735), (3, 7040970245), (5, 4224582147), (15, 1408194049), (71, 297505785), (213, 99168595), (355, 59501157), (1065, 19833719), (1451, 14557485), (4353, 4852495), (7255, 2911497), (13669, 1545315), (21765, 970499), (41007, 515105), (68345, 309063), (103021, 205035)]