21880799

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 1879201

約数列:

[1, 19, 59, 131, 149, 1121, 2489, 2831, 7729, 8791, 19519, 146851, 167029, 370861, 1151621, 21880799]

約数ペア:

[(1, 21880799), (19, 1151621), (59, 370861), (131, 167029), (149, 146851), (1121, 19519), (2489, 8791), (2831, 7729)]