21326710

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49597}}^1$

素因数の和:49647

約数の個数: 16

約数和(自身を含む): 39281616

約数和(自身を除く): 17954906

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49597, 99194, 247985, 495970, 2132671, 4265342, 10663355, 21326710]

約数ペア:

[(1, 21326710), (2, 10663355), (5, 4265342), (10, 2132671), (43, 495970), (86, 247985), (215, 99194), (430, 49597)]