21059207

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 23499168

約数和(自身を除く): 2439961

約数列:

[1, 13, 43, 101, 373, 559, 1313, 4343, 4849, 16039, 37673, 56459, 208507, 489749, 1619939, 21059207]

約数ペア:

[(1, 21059207), (13, 1619939), (43, 489749), (101, 208507), (373, 56459), (559, 37673), (1313, 16039), (4343, 4849)]