21279246

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86501}}^1$

素因数の和:86547

約数の個数: 16

約数和(自身を含む): 43597008

約数和(自身を除く): 22317762

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86501, 173002, 259503, 519006, 3546541, 7093082, 10639623, 21279246]

約数ペア:

[(1, 21279246), (2, 10639623), (3, 7093082), (6, 3546541), (41, 519006), (82, 259503), (123, 173002), (246, 86501)]