21549557

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 23841792

約数和(自身を除く): 2292235

約数列:

[1, 17, 31, 103, 397, 527, 1751, 3193, 6749, 12307, 40891, 54281, 209219, 695147, 1267621, 21549557]

約数ペア:

[(1, 21549557), (17, 1267621), (31, 695147), (103, 209219), (397, 54281), (527, 40891), (1751, 12307), (3193, 6749)]