21976665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{86183}}^1$

素因数の和:86208

約数の個数: 16

約数和(自身を含む): 37231488

約数和(自身を除く): 15254823

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 86183, 258549, 430915, 1292745, 1465111, 4395333, 7325555, 21976665]

約数ペア:

[(1, 21976665), (3, 7325555), (5, 4395333), (15, 1465111), (17, 1292745), (51, 430915), (85, 258549), (255, 86183)]