21011912

素因数分解:

$2^3\times {\mathrm{607}}^1\times {\mathrm{4327}}^1$

素因数の和:4940

約数の個数: 16

約数和(自身を含む): 39471360

約数和(自身を除く): 18459448

約数列:

[1, 2, 4, 8, 607, 1214, 2428, 4327, 4856, 8654, 17308, 34616, 2626489, 5252978, 10505956, 21011912]

約数ペア:

[(1, 21011912), (2, 10505956), (4, 5252978), (8, 2626489), (607, 34616), (1214, 17308), (2428, 8654), (4327, 4856)]