21430218

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{53309}}^1$

素因数の和:53381

約数の個数: 16

約数和(自身を含む): 43500960

約数和(自身を除く): 22070742

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 53309, 106618, 159927, 319854, 3571703, 7143406, 10715109, 21430218]

約数ペア:

[(1, 21430218), (2, 10715109), (3, 7143406), (6, 3571703), (67, 319854), (134, 159927), (201, 106618), (402, 53309)]