21183968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50923}}^1$

素因数の和:50946

約数の個数: 24

約数和(自身を含む): 44914968

約数和(自身を除く): 23731000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50923, 101846, 203692, 407384, 661999, 814768, 1323998, 1629536, 2647996, 5295992, 10591984, 21183968]

約数ペア:

[(1, 21183968), (2, 10591984), (4, 5295992), (8, 2647996), (13, 1629536), (16, 1323998), (26, 814768), (32, 661999), (52, 407384), (104, 203692), (208, 101846), (416, 50923)]