13420278

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{10501}}^1$

素因数の和:10580

約数の個数: 24

約数和(自身を含む): 29489616

約数和(自身を除く): 16069338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 10501, 21002, 31503, 63006, 94509, 189018, 745571, 1491142, 2236713, 4473426, 6710139, 13420278]

約数ペア:

[(1, 13420278), (2, 6710139), (3, 4473426), (6, 2236713), (9, 1491142), (18, 745571), (71, 189018), (142, 94509), (213, 63006), (426, 31503), (639, 21002), (1278, 10501)]