21810173

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1901}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 27388800

約数和(自身を除く): 5578627

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 1901, 11473, 13307, 20911, 146377, 283249, 1982743, 3115739, 21810173]

約数ペア:

[(1, 21810173), (7, 3115739), (11, 1982743), (77, 283249), (149, 146377), (1043, 20911), (1639, 13307), (1901, 11473)]