21987310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95597}}^1$

素因数の和:95627

約数の個数: 16

約数和(自身を含む): 41298336

約数和(自身を除く): 19311026

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95597, 191194, 477985, 955970, 2198731, 4397462, 10993655, 21987310]

約数ペア:

[(1, 21987310), (2, 10993655), (5, 4397462), (10, 2198731), (23, 955970), (46, 477985), (115, 191194), (230, 95597)]