21259866

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{154057}}^1$

素因数の和:154085

約数の個数: 16

約数和(自身を含む): 44368704

約数和(自身を除く): 23108838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 154057, 308114, 462171, 924342, 3543311, 7086622, 10629933, 21259866]

約数ペア:

[(1, 21259866), (2, 10629933), (3, 7086622), (6, 3543311), (23, 924342), (46, 462171), (69, 308114), (138, 154057)]