21715864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1103}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 21207656

約数列:

[1, 2, 4, 8, 23, 46, 92, 107, 184, 214, 428, 856, 1103, 2206, 2461, 4412, 4922, 8824, 9844, 19688, 25369, 50738, 101476, 118021, 202952, 236042, 472084, 944168, 2714483, 5428966, 10857932, 21715864]

約数ペア:

[(1, 21715864), (2, 10857932), (4, 5428966), (8, 2714483), (23, 944168), (46, 472084), (92, 236042), (107, 202952), (184, 118021), (214, 101476), (428, 50738), (856, 25369), (1103, 19688), (2206, 9844), (2461, 8824), (4412, 4922)]