21937653

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 33359040

約数和(自身を除く): 11421387

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 809, 1179, 2427, 3013, 7281, 9039, 18607, 27117, 55821, 105979, 167463, 317937, 953811, 2437517, 7312551, 21937653]

約数ペア:

[(1, 21937653), (3, 7312551), (9, 2437517), (23, 953811), (69, 317937), (131, 167463), (207, 105979), (393, 55821), (809, 27117), (1179, 18607), (2427, 9039), (3013, 7281)]