21160838

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1709}}^1$

素因数の和:1903

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 11589082

約数列:

[1, 2, 41, 82, 151, 302, 1709, 3418, 6191, 12382, 70069, 140138, 258059, 516118, 10580419, 21160838]

約数ペア:

[(1, 21160838), (2, 10580419), (41, 516118), (82, 258059), (151, 140138), (302, 70069), (1709, 12382), (3418, 6191)]