21406014

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169889}}^1$

素因数の和:169904

約数の個数: 24

約数和(自身を含む): 53005680

約数和(自身を除く): 31599666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169889, 339778, 509667, 1019334, 1189223, 1529001, 2378446, 3058002, 3567669, 7135338, 10703007, 21406014]

約数ペア:

[(1, 21406014), (2, 10703007), (3, 7135338), (6, 3567669), (7, 3058002), (9, 2378446), (14, 1529001), (18, 1189223), (21, 1019334), (42, 509667), (63, 339778), (126, 169889)]