21407471

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 2646289

約数列:

[1, 17, 19, 191, 323, 347, 3247, 3629, 5899, 6593, 61693, 66277, 112081, 1126709, 1259263, 21407471]

約数ペア:

[(1, 21407471), (17, 1259263), (19, 1126709), (191, 112081), (323, 66277), (347, 61693), (3247, 6593), (3629, 5899)]