21078447766

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{26693}}^1$

素因数の和:26916

約数の個数: 32

約数和(自身を含む): 32934843648

約数和(自身を除く): 11856395882

約数列:

[1, 2, 67, 71, 83, 134, 142, 166, 4757, 5561, 5893, 9514, 11122, 11786, 26693, 53386, 394831, 789662, 1788431, 1895203, 2215519, 3576862, 3790406, 4431038, 126978601, 148439773, 157301849, 253957202, 296879546, 314603698, 10539223883, 21078447766]

約数ペア:

[(1, 21078447766), (2, 10539223883), (67, 314603698), (71, 296879546), (83, 253957202), (134, 157301849), (142, 148439773), (166, 126978601), (4757, 4431038), (5561, 3790406), (5893, 3576862), (9514, 2215519), (11122, 1895203), (11786, 1788431), (26693, 789662), (53386, 394831)]