21931035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10993}}^1$

素因数の和:11027

約数の個数: 32

約数和(自身を含む): 42216960

約数和(自身を除く): 20285925

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10993, 32979, 54965, 76951, 164895, 208867, 230853, 384755, 626601, 1044335, 1154265, 1462069, 3133005, 4386207, 7310345, 21931035]

約数ペア:

[(1, 21931035), (3, 7310345), (5, 4386207), (7, 3133005), (15, 1462069), (19, 1154265), (21, 1044335), (35, 626601), (57, 384755), (95, 230853), (105, 208867), (133, 164895), (285, 76951), (399, 54965), (665, 32979), (1995, 10993)]