21703422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4008

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 25712898

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3919, 5538, 7838, 11757, 23514, 50947, 101894, 152841, 278249, 305682, 556498, 834747, 1669494, 3617237, 7234474, 10851711, 21703422]

約数ペア:

[(1, 21703422), (2, 10851711), (3, 7234474), (6, 3617237), (13, 1669494), (26, 834747), (39, 556498), (71, 305682), (78, 278249), (142, 152841), (213, 101894), (426, 50947), (923, 23514), (1846, 11757), (2769, 7838), (3919, 5538)]