21167768127

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{90053}}^1$

素因数の和:90503

約数の個数: 32

約数和(自身を含む): 32678795520

約数和(自身を除く): 11511027393

約数列:

[1, 3, 11, 17, 33, 51, 187, 419, 561, 1257, 4609, 7123, 13827, 21369, 78353, 90053, 235059, 270159, 990583, 1530901, 2971749, 4592703, 16839911, 37732207, 50519733, 113196621, 415054277, 641447519, 1245162831, 1924342557, 7055922709, 21167768127]

約数ペア:

[(1, 21167768127), (3, 7055922709), (11, 1924342557), (17, 1245162831), (33, 641447519), (51, 415054277), (187, 113196621), (419, 50519733), (561, 37732207), (1257, 16839911), (4609, 4592703), (7123, 2971749), (13827, 1530901), (21369, 990583), (78353, 270159), (90053, 235059)]