21087161

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 22837248

約数和(自身を除く): 1750087

約数列:

[1, 31, 41, 47, 353, 1271, 1457, 1927, 10943, 14473, 16591, 59737, 448663, 514321, 680231, 21087161]

約数ペア:

[(1, 21087161), (31, 680231), (41, 514321), (47, 448663), (353, 59737), (1271, 16591), (1457, 14473), (1927, 10943)]