21974073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 11289927

約数列:

[1, 3, 11, 33, 41, 109, 123, 149, 327, 447, 451, 1199, 1353, 1639, 3597, 4469, 4917, 6109, 13407, 16241, 18327, 48723, 49159, 67199, 147477, 178651, 201597, 535953, 665881, 1997643, 7324691, 21974073]

約数ペア:

[(1, 21974073), (3, 7324691), (11, 1997643), (33, 665881), (41, 535953), (109, 201597), (123, 178651), (149, 147477), (327, 67199), (447, 49159), (451, 48723), (1199, 18327), (1353, 16241), (1639, 13407), (3597, 6109), (4469, 4917)]