2021565147

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{80963}}^1$

素因数の和:81043

約数の個数: 32

約数和(自身を含む): 3264468480

約数和(自身を除く): 1242903333

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1189, 3567, 8323, 24969, 80963, 242889, 566741, 1700223, 2347927, 3319483, 7043781, 9958449, 16435489, 23236381, 49306467, 69709143, 96265007, 288795021, 673855049, 2021565147]

約数ペア:

[(1, 2021565147), (3, 673855049), (7, 288795021), (21, 96265007), (29, 69709143), (41, 49306467), (87, 23236381), (123, 16435489), (203, 9958449), (287, 7043781), (609, 3319483), (861, 2347927), (1189, 1700223), (3567, 566741), (8323, 242889), (24969, 80963)]