21831229

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 27498240

約数和(自身を除く): 5667011

約数列:

[1, 7, 29, 41, 43, 61, 203, 287, 301, 427, 1189, 1247, 1763, 1769, 2501, 2623, 8323, 8729, 12341, 12383, 17507, 18361, 51127, 72529, 76067, 107543, 357889, 507703, 532469, 752801, 3118747, 21831229]

約数ペア:

[(1, 21831229), (7, 3118747), (29, 752801), (41, 532469), (43, 507703), (61, 357889), (203, 107543), (287, 76067), (301, 72529), (427, 51127), (1189, 18361), (1247, 17507), (1763, 12383), (1769, 12341), (2501, 8729), (2623, 8323)]