21841761

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 29620800

約数和(自身を除く): 7779039

約数列:

[1, 3, 131, 149, 373, 393, 447, 1119, 19519, 48863, 55577, 58557, 146589, 166731, 7280587, 21841761]

約数ペア:

[(1, 21841761), (3, 7280587), (131, 166731), (149, 146589), (373, 58557), (393, 55577), (447, 48863), (1119, 19519)]