21243606

素因数分解:

$2^1\times 3^1\times {\mathrm{491}}^1\times {\mathrm{7211}}^1$

素因数の和:7707

約数の個数: 16

約数和(自身を含む): 42579648

約数和(自身を除く): 21336042

約数列:

[1, 2, 3, 6, 491, 982, 1473, 2946, 7211, 14422, 21633, 43266, 3540601, 7081202, 10621803, 21243606]

約数ペア:

[(1, 21243606), (2, 10621803), (3, 7081202), (6, 3540601), (491, 43266), (982, 21633), (1473, 14422), (2946, 7211)]