21396714

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 22701846

約数列:

[1, 2, 3, 6, 43, 86, 129, 239, 258, 347, 478, 694, 717, 1041, 1434, 2082, 10277, 14921, 20554, 29842, 30831, 44763, 61662, 82933, 89526, 165866, 248799, 497598, 3566119, 7132238, 10698357, 21396714]

約数ペア:

[(1, 21396714), (2, 10698357), (3, 7132238), (6, 3566119), (43, 497598), (86, 248799), (129, 165866), (239, 89526), (258, 82933), (347, 61662), (478, 44763), (694, 30831), (717, 29842), (1041, 20554), (1434, 14921), (2082, 10277)]