21314735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6977}}^1$

素因数の和:7042

約数の個数: 16

約数和(自身を含む): 28135296

約数和(自身を除く): 6820561

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6977, 34885, 90701, 327919, 453505, 1639595, 4262947, 21314735]

約数ペア:

[(1, 21314735), (5, 4262947), (13, 1639595), (47, 453505), (65, 327919), (235, 90701), (611, 34885), (3055, 6977)]