20210744673

素因数分解:

$3^3\times 7^2\times {\mathrm{727}}^1\times {\mathrm{21013}}^1$

素因数の和:21763

約数の個数: 48

約数和(自身を含む): 34879877760

約数和(自身を除く): 14669133087

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 727, 1323, 2181, 5089, 6543, 15267, 19629, 21013, 35623, 45801, 63039, 106869, 137403, 147091, 189117, 320607, 441273, 567351, 961821, 1029637, 1323819, 3088911, 3971457, 9266733, 15276451, 27800199, 45829353, 106935157, 137488059, 320805471, 412464177, 748546099, 962416413, 2245638297, 2887249239, 6736914891, 20210744673]

約数ペア:

[(1, 20210744673), (3, 6736914891), (7, 2887249239), (9, 2245638297), (21, 962416413), (27, 748546099), (49, 412464177), (63, 320805471), (147, 137488059), (189, 106935157), (441, 45829353), (727, 27800199), (1323, 15276451), (2181, 9266733), (5089, 3971457), (6543, 3088911), (15267, 1323819), (19629, 1029637), (21013, 961821), (35623, 567351), (45801, 441273), (63039, 320607), (106869, 189117), (137403, 147091)]