21110979

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4423}}^1$

素因数の和:4506

約数の個数: 16

約数和(自身を含む): 29587712

約数和(自身を除く): 8476733

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4423, 4773, 13269, 163651, 190189, 490953, 570567, 7036993, 21110979]

約数ペア:

[(1, 21110979), (3, 7036993), (37, 570567), (43, 490953), (111, 190189), (129, 163651), (1591, 13269), (4423, 4773)]