21456226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 36957888

約数和(自身を除く): 15501662

約数列:

[1, 2, 11, 22, 37, 43, 74, 86, 407, 473, 613, 814, 946, 1226, 1591, 3182, 6743, 13486, 17501, 22681, 26359, 35002, 45362, 52718, 249491, 289949, 498982, 579898, 975283, 1950566, 10728113, 21456226]

約数ペア:

[(1, 21456226), (2, 10728113), (11, 1950566), (22, 975283), (37, 579898), (43, 498982), (74, 289949), (86, 249491), (407, 52718), (473, 45362), (613, 35002), (814, 26359), (946, 22681), (1226, 17501), (1591, 13486), (3182, 6743)]