21064218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71647}}^1$

素因数の和:71666

約数の個数: 24

約数和(自身を含む): 49007232

約数和(自身を除く): 27943014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71647, 143294, 214941, 429882, 501529, 1003058, 1504587, 3009174, 3510703, 7021406, 10532109, 21064218]

約数ペア:

[(1, 21064218), (2, 10532109), (3, 7021406), (6, 3510703), (7, 3009174), (14, 1504587), (21, 1003058), (42, 501529), (49, 429882), (98, 214941), (147, 143294), (294, 71647)]