21168218

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6977}}^1$

素因数の和:7057

約数の個数: 16

約数和(自身を含む): 33410664

約数和(自身を除く): 12242446

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 6977, 13954, 258149, 286057, 516298, 572114, 10584109, 21168218]

約数ペア:

[(1, 21168218), (2, 10584109), (37, 572114), (41, 516298), (74, 286057), (82, 258149), (1517, 13954), (3034, 6977)]