21909012

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{21997}}^1$

素因数の和:22087

約数の個数: 24

約数和(自身を含む): 51739296

約数和(自身を除く): 29830284

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996, 21997, 43994, 65991, 87988, 131982, 263964, 1825751, 3651502, 5477253, 7303004, 10954506, 21909012]

約数ペア:

[(1, 21909012), (2, 10954506), (3, 7303004), (4, 5477253), (6, 3651502), (12, 1825751), (83, 263964), (166, 131982), (249, 87988), (332, 65991), (498, 43994), (996, 21997)]