21485514211

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 25082265600

約数和(自身を除く): 3596751389

約数列:

[1, 7, 83, 239, 359, 431, 581, 1673, 2513, 3017, 19837, 29797, 35773, 85801, 103009, 138859, 154729, 208579, 250411, 600607, 721063, 1083103, 7121483, 8549747, 12842507, 36980231, 49850381, 59848229, 89897549, 258861617, 3069359173, 21485514211]

約数ペア:

[(1, 21485514211), (7, 3069359173), (83, 258861617), (239, 89897549), (359, 59848229), (431, 49850381), (581, 36980231), (1673, 12842507), (2513, 8549747), (3017, 7121483), (19837, 1083103), (29797, 721063), (35773, 600607), (85801, 250411), (103009, 208579), (138859, 154729)]