21061359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{929}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 33368400

約数和(自身を除く): 12307041

約数列:

[1, 3, 9, 11, 33, 99, 229, 687, 929, 2061, 2519, 2787, 7557, 8361, 10219, 22671, 30657, 91971, 212741, 638223, 1914669, 2340151, 7020453, 21061359]

約数ペア:

[(1, 21061359), (3, 7020453), (9, 2340151), (11, 1914669), (33, 638223), (99, 212741), (229, 91971), (687, 30657), (929, 22671), (2061, 10219), (2519, 8361), (2787, 7557)]