21029135

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 26298432

約数和(自身を除く): 5269297

約数列:

[1, 5, 37, 71, 185, 355, 1601, 2627, 8005, 13135, 59237, 113671, 296185, 568355, 4205827, 21029135]

約数ペア:

[(1, 21029135), (5, 4205827), (37, 568355), (71, 296185), (185, 113671), (355, 59237), (1601, 13135), (2627, 8005)]