21085707986

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{346793}}^1$

素因数の和:346946

約数の個数: 32

約数和(自身を含む): 37353875328

約数和(自身を除く): 16268167342

約数列:

[1, 2, 7, 14, 43, 86, 101, 202, 301, 602, 707, 1414, 4343, 8686, 30401, 60802, 346793, 693586, 2427551, 4855102, 14912099, 29824198, 35026093, 70052186, 104384693, 208769386, 245182651, 490365302, 1506121999, 3012243998, 10542853993, 21085707986]

約数ペア:

[(1, 21085707986), (2, 10542853993), (7, 3012243998), (14, 1506121999), (43, 490365302), (86, 245182651), (101, 208769386), (202, 104384693), (301, 70052186), (602, 35026093), (707, 29824198), (1414, 14912099), (4343, 4855102), (8686, 2427551), (30401, 693586), (60802, 346793)]