2021494321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2699}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 2575411200

約数和(自身を除く): 553916879

約数列:

[1, 7, 11, 71, 77, 137, 497, 781, 959, 1507, 2699, 5467, 9727, 10549, 18893, 29689, 68089, 106997, 191629, 207823, 369763, 748979, 1341403, 2107919, 2588341, 4067393, 14755433, 26253173, 28471751, 183772211, 288784903, 2021494321]

約数ペア:

[(1, 2021494321), (7, 288784903), (11, 183772211), (71, 28471751), (77, 26253173), (137, 14755433), (497, 4067393), (781, 2588341), (959, 2107919), (1507, 1341403), (2699, 748979), (5467, 369763), (9727, 207823), (10549, 191629), (18893, 106997), (29689, 68089)]