21916791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3673}}^1$

素因数の和:3712

約数の個数: 32

約数和(自身を含む): 37033920

約数和(自身を除く): 15117129

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 3673, 5967, 11019, 33057, 47749, 62441, 99171, 143247, 187323, 429741, 561969, 811733, 1289223, 1685907, 2435199, 7305597, 21916791]

約数ペア:

[(1, 21916791), (3, 7305597), (9, 2435199), (13, 1685907), (17, 1289223), (27, 811733), (39, 561969), (51, 429741), (117, 187323), (153, 143247), (221, 99171), (351, 62441), (459, 47749), (663, 33057), (1989, 11019), (3673, 5967)]