21394551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22079}}^1$

素因数の和:22118

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 10400649

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22079, 66237, 375343, 419501, 1126029, 1258503, 7131517, 21394551]

約数ペア:

[(1, 21394551), (3, 7131517), (17, 1258503), (19, 1126029), (51, 419501), (57, 375343), (323, 66237), (969, 22079)]