21471924

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2707}}^1$

素因数の和:3375

約数の個数: 24

約数和(自身を含む): 50195488

約数和(自身を除く): 28723564

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2644, 2707, 3966, 5414, 7932, 8121, 10828, 16242, 32484, 1789327, 3578654, 5367981, 7157308, 10735962, 21471924]

約数ペア:

[(1, 21471924), (2, 10735962), (3, 7157308), (4, 5367981), (6, 3578654), (12, 1789327), (661, 32484), (1322, 16242), (1983, 10828), (2644, 8121), (2707, 7932), (3966, 5414)]