2138434557

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{241877}}^1$

素因数の和:242308

約数の個数: 16

約数和(自身を含む): 3266320512

約数和(自身を除く): 1127885955

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 241877, 725631, 1693139, 5079417, 101830217, 305490651, 712811519, 2138434557]

約数ペア:

[(1, 2138434557), (3, 712811519), (7, 305490651), (21, 101830217), (421, 5079417), (1263, 1693139), (2947, 725631), (8841, 241877)]