21817549

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 24116400

約数和(自身を除く): 2298851

約数列:

[1, 13, 89, 109, 173, 1157, 1417, 2249, 9701, 15397, 18857, 126113, 200161, 245141, 1678273, 21817549]

約数ペア:

[(1, 21817549), (13, 1678273), (89, 245141), (109, 200161), (173, 126113), (1157, 18857), (1417, 15397), (2249, 9701)]