21536701212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138055777}}^1$

素因数の和:138055797

約数の個数: 24

約数和(自身を含む): 54117864976

約数和(自身を除く): 32581163764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138055777, 276111554, 414167331, 552223108, 828334662, 1656669324, 1794725101, 3589450202, 5384175303, 7178900404, 10768350606, 21536701212]

約数ペア:

[(1, 21536701212), (2, 10768350606), (3, 7178900404), (4, 5384175303), (6, 3589450202), (12, 1794725101), (13, 1656669324), (26, 828334662), (39, 552223108), (52, 414167331), (78, 276111554), (156, 138055777)]