21847395

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27481}}^1$

素因数の和:27542

約数の個数: 16

約数和(自身を含む): 35616672

約数和(自身を除く): 13769277

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 27481, 82443, 137405, 412215, 1456493, 4369479, 7282465, 21847395]

約数ペア:

[(1, 21847395), (3, 7282465), (5, 4369479), (15, 1456493), (53, 412215), (159, 137405), (265, 82443), (795, 27481)]