21290050770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9995329}}^1$

素因数の和:9995410

約数の個数: 32

約数和(自身を含む): 51815790720

約数和(自身を除く): 30525739950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9995329, 19990658, 29985987, 49976645, 59971974, 99953290, 149929935, 299859870, 709668359, 1419336718, 2129005077, 3548341795, 4258010154, 7096683590, 10645025385, 21290050770]

約数ペア:

[(1, 21290050770), (2, 10645025385), (3, 7096683590), (5, 4258010154), (6, 3548341795), (10, 2129005077), (15, 1419336718), (30, 709668359), (71, 299859870), (142, 149929935), (213, 99953290), (355, 59971974), (426, 49976645), (710, 29985987), (1065, 19990658), (2130, 9995329)]