21725283

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8030877

約数列:

[1, 3, 53, 139, 159, 417, 983, 2949, 7367, 22101, 52099, 136637, 156297, 409911, 7241761, 21725283]

約数ペア:

[(1, 21725283), (3, 7241761), (53, 409911), (139, 156297), (159, 136637), (417, 52099), (983, 22101), (2949, 7367)]