21290496002

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1\times {\mathrm{2347}}^1$

素因数の和:3042

約数の個数: 32

約数和(自身を含む): 32894127552

約数和(自身を除く): 11603631550

約数列:

[1, 2, 43, 86, 313, 337, 626, 674, 2347, 4694, 13459, 14491, 26918, 28982, 100921, 105481, 201842, 210962, 734611, 790939, 1469222, 1581878, 4535683, 9071366, 31588273, 34010377, 63176546, 68020754, 247563907, 495127814, 10645248001, 21290496002]

約数ペア:

[(1, 21290496002), (2, 10645248001), (43, 495127814), (86, 247563907), (313, 68020754), (337, 63176546), (626, 34010377), (674, 31588273), (2347, 9071366), (4694, 4535683), (13459, 1581878), (14491, 1469222), (26918, 790939), (28982, 734611), (100921, 210962), (105481, 201842)]