21318424

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{115861}}^1$

素因数の和:115890

約数の個数: 16

約数和(自身を含む): 41710320

約数和(自身を除く): 20391896

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 115861, 231722, 463444, 926888, 2664803, 5329606, 10659212, 21318424]

約数ペア:

[(1, 21318424), (2, 10659212), (4, 5329606), (8, 2664803), (23, 926888), (46, 463444), (92, 231722), (184, 115861)]