21627453

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 31160800

約数和(自身を除く): 9533347

約数列:

[1, 3, 19, 57, 59, 109, 177, 327, 1121, 2071, 3363, 3481, 6213, 6431, 10443, 19293, 66139, 122189, 198417, 366567, 379429, 1138287, 7209151, 21627453]

約数ペア:

[(1, 21627453), (3, 7209151), (19, 1138287), (57, 379429), (59, 366567), (109, 198417), (177, 122189), (327, 66139), (1121, 19293), (2071, 10443), (3363, 6431), (3481, 6213)]