21479208

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8689}}^1$

素因数の和:8801

約数の個数: 32

約数和(自身を含む): 54225600

約数和(自身を除く): 32746392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8689, 17378, 26067, 34756, 52134, 69512, 104268, 208536, 894967, 1789934, 2684901, 3579868, 5369802, 7159736, 10739604, 21479208]

約数ペア:

[(1, 21479208), (2, 10739604), (3, 7159736), (4, 5369802), (6, 3579868), (8, 2684901), (12, 1789934), (24, 894967), (103, 208536), (206, 104268), (309, 69512), (412, 52134), (618, 34756), (824, 26067), (1236, 17378), (2472, 8689)]