21440192

素因数分解:

$2^6\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1176

約数の個数: 28

約数和(自身を含む): 42693336

約数和(自身を除く): 21253144

約数列:

[1, 2, 4, 8, 16, 32, 64, 521, 643, 1042, 1286, 2084, 2572, 4168, 5144, 8336, 10288, 16672, 20576, 33344, 41152, 335003, 670006, 1340012, 2680024, 5360048, 10720096, 21440192]

約数ペア:

[(1, 21440192), (2, 10720096), (4, 5360048), (8, 2680024), (16, 1340012), (32, 670006), (64, 335003), (521, 41152), (643, 33344), (1042, 20576), (1286, 16672), (2084, 10288), (2572, 8336), (4168, 5144)]