21556578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{211339}}^1$

素因数の和:211361

約数の個数: 16

約数和(自身を含む): 45649440

約数和(自身を除く): 24092862

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 211339, 422678, 634017, 1268034, 3592763, 7185526, 10778289, 21556578]

約数ペア:

[(1, 21556578), (2, 10778289), (3, 7185526), (6, 3592763), (17, 1268034), (34, 634017), (51, 422678), (102, 211339)]