21429768

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8669}}^1$

素因数の和:8781

約数の個数: 32

約数和(自身を含む): 54100800

約数和(自身を除く): 32671032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8669, 17338, 26007, 34676, 52014, 69352, 104028, 208056, 892907, 1785814, 2678721, 3571628, 5357442, 7143256, 10714884, 21429768]

約数ペア:

[(1, 21429768), (2, 10714884), (3, 7143256), (4, 5357442), (6, 3571628), (8, 2678721), (12, 1785814), (24, 892907), (103, 208056), (206, 104028), (309, 69352), (412, 52014), (618, 34676), (824, 26007), (1236, 17338), (2472, 8669)]