21499608

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68909}}^1$

素因数の和:68931

約数の個数: 32

約数和(自身を含む): 57884400

約数和(自身を除く): 36384792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68909, 137818, 206727, 275636, 413454, 551272, 826908, 895817, 1653816, 1791634, 2687451, 3583268, 5374902, 7166536, 10749804, 21499608]

約数ペア:

[(1, 21499608), (2, 10749804), (3, 7166536), (4, 5374902), (6, 3583268), (8, 2687451), (12, 1791634), (13, 1653816), (24, 895817), (26, 826908), (39, 551272), (52, 413454), (78, 275636), (104, 206727), (156, 137818), (312, 68909)]