21321736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{115879}}^1$

素因数の和:115908

約数の個数: 16

約数和(自身を含む): 41716800

約数和(自身を除く): 20395064

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 115879, 231758, 463516, 927032, 2665217, 5330434, 10660868, 21321736]

約数ペア:

[(1, 21321736), (2, 10660868), (4, 5330434), (8, 2665217), (23, 927032), (46, 463516), (92, 231758), (184, 115879)]