21193669871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97787}}^1$

素因数の和:97895

約数の個数: 32

約数和(自身を含む): 26191537920

約数和(自身を除く): 4997868049

約数列:

[1, 11, 17, 19, 61, 187, 209, 323, 671, 1037, 1159, 3553, 11407, 12749, 19703, 97787, 216733, 1075657, 1662379, 1857953, 5965007, 18286169, 20437483, 31585201, 65615077, 101405119, 113335133, 347437211, 1115456309, 1246686463, 1926697261, 21193669871]

約数ペア:

[(1, 21193669871), (11, 1926697261), (17, 1246686463), (19, 1115456309), (61, 347437211), (187, 113335133), (209, 101405119), (323, 65615077), (671, 31585201), (1037, 20437483), (1159, 18286169), (3553, 5965007), (11407, 1857953), (12749, 1662379), (19703, 1075657), (97787, 216733)]