21941865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2333}}^1$

素因数の和:2374

約数の個数: 48

約数和(自身を含む): 43692480

約数和(自身を除く): 21750615

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 2333, 3135, 6999, 9405, 11665, 20997, 25663, 34995, 44327, 76989, 104985, 128315, 132981, 221635, 230967, 384945, 398943, 487597, 664905, 1154835, 1462791, 1994715, 2437985, 4388373, 7313955, 21941865]

約数ペア:

[(1, 21941865), (3, 7313955), (5, 4388373), (9, 2437985), (11, 1994715), (15, 1462791), (19, 1154835), (33, 664905), (45, 487597), (55, 398943), (57, 384945), (95, 230967), (99, 221635), (165, 132981), (171, 128315), (209, 104985), (285, 76989), (495, 44327), (627, 34995), (855, 25663), (1045, 20997), (1881, 11665), (2333, 9405), (3135, 6999)]