21231015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108877}}^1$

素因数の和:108898

約数の個数: 16

約数和(自身を含む): 36583008

約数和(自身を除く): 15351993

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 108877, 326631, 544385, 1415401, 1633155, 4246203, 7077005, 21231015]

約数ペア:

[(1, 21231015), (3, 7077005), (5, 4246203), (13, 1633155), (15, 1415401), (39, 544385), (65, 326631), (195, 108877)]