21285006

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5483}}^1$

素因数の和:6135

約数の個数: 16

約数和(自身を含む): 42643584

約数和(自身を除く): 21358578

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5483, 10966, 16449, 32898, 3547501, 7095002, 10642503, 21285006]

約数ペア:

[(1, 21285006), (2, 10642503), (3, 7095002), (6, 3547501), (647, 32898), (1294, 16449), (1941, 10966), (3882, 5483)]