21031073

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 24858624

約数和(自身を除く): 3827551

約数列:

[1, 7, 41, 127, 287, 577, 889, 4039, 5207, 23657, 36449, 73279, 165599, 512953, 3004439, 21031073]

約数ペア:

[(1, 21031073), (7, 3004439), (41, 512953), (127, 165599), (287, 73279), (577, 36449), (889, 23657), (4039, 5207)]