21086768

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57301}}^1$

素因数の和:57332

約数の個数: 20

約数和(自身を含む): 42632688

約数和(自身を除く): 21545920

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57301, 114602, 229204, 458408, 916816, 1317923, 2635846, 5271692, 10543384, 21086768]

約数ペア:

[(1, 21086768), (2, 10543384), (4, 5271692), (8, 2635846), (16, 1317923), (23, 916816), (46, 458408), (92, 229204), (184, 114602), (368, 57301)]