21273042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{506501}}^1$

素因数の和:506513

約数の個数: 16

約数和(自身を含む): 48624192

約数和(自身を除く): 27351150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 506501, 1013002, 1519503, 3039006, 3545507, 7091014, 10636521, 21273042]

約数ペア:

[(1, 21273042), (2, 10636521), (3, 7091014), (6, 3545507), (7, 3039006), (14, 1519503), (21, 1013002), (42, 506501)]