21070147284

素因数分解:

$2^2\times 3^2\times {\mathrm{821}}^1\times {\mathrm{712889}}^1$

素因数の和:713720

約数の個数: 36

約数和(自身を含む): 53325597780

約数和(自身を除く): 32255450496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 821, 1642, 2463, 3284, 4926, 7389, 9852, 14778, 29556, 712889, 1425778, 2138667, 2851556, 4277334, 6416001, 8554668, 12832002, 25664004, 585281869, 1170563738, 1755845607, 2341127476, 3511691214, 5267536821, 7023382428, 10535073642, 21070147284]

約数ペア:

[(1, 21070147284), (2, 10535073642), (3, 7023382428), (4, 5267536821), (6, 3511691214), (9, 2341127476), (12, 1755845607), (18, 1170563738), (36, 585281869), (821, 25664004), (1642, 12832002), (2463, 8554668), (3284, 6416001), (4926, 4277334), (7389, 2851556), (9852, 2138667), (14778, 1425778), (29556, 712889)]