21605529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10733}}^1$

素因数の和:10808

約数の個数: 16

約数和(自身を含む): 31944384

約数和(自身を除く): 10338855

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10733, 32199, 118063, 354189, 654713, 1964139, 7201843, 21605529]

約数ペア:

[(1, 21605529), (3, 7201843), (11, 1964139), (33, 654713), (61, 354189), (183, 118063), (671, 32199), (2013, 10733)]