21859422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{280249}}^1$

素因数の和:280267

約数の個数: 16

約数和(自身を含む): 47082000

約数和(自身を除く): 25222578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 280249, 560498, 840747, 1681494, 3643237, 7286474, 10929711, 21859422]

約数ペア:

[(1, 21859422), (2, 10929711), (3, 7286474), (6, 3643237), (13, 1681494), (26, 840747), (39, 560498), (78, 280249)]