21332444

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1002

約数の個数: 36

約数和(自身を含む): 43819776

約数和(自身を除く): 22487332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 857, 889, 1714, 1778, 3428, 3556, 5999, 6223, 11998, 12446, 23996, 24892, 41993, 83986, 108839, 167972, 217678, 435356, 761873, 1523746, 3047492, 5333111, 10666222, 21332444]

約数ペア:

[(1, 21332444), (2, 10666222), (4, 5333111), (7, 3047492), (14, 1523746), (28, 761873), (49, 435356), (98, 217678), (127, 167972), (196, 108839), (254, 83986), (508, 41993), (857, 24892), (889, 23996), (1714, 12446), (1778, 11998), (3428, 6223), (3556, 5999)]