21947882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 37592640

約数和(自身を除く): 15644758

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 407, 457, 649, 814, 914, 1298, 2183, 4366, 5027, 10054, 16909, 24013, 26963, 33818, 48026, 53926, 185999, 296593, 371998, 593186, 997631, 1995262, 10973941, 21947882]

約数ペア:

[(1, 21947882), (2, 10973941), (11, 1995262), (22, 997631), (37, 593186), (59, 371998), (74, 296593), (118, 185999), (407, 53926), (457, 48026), (649, 33818), (814, 26963), (914, 24013), (1298, 16909), (2183, 10054), (4366, 5027)]