21374000284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{548783}}^1$

素因数の和:548914

約数の個数: 48

約数和(自身を含む): 46466638848

約数和(自身を除く): 25092638564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 749, 1391, 1498, 2782, 2996, 5564, 9737, 19474, 38948, 548783, 1097566, 2195132, 3841481, 7134179, 7682962, 14268358, 15365924, 28536716, 49939253, 58719781, 99878506, 117439562, 199757012, 234879124, 411038467, 763357153, 822076934, 1526714306, 1644153868, 3053428612, 5343500071, 10687000142, 21374000284]

約数ペア:

[(1, 21374000284), (2, 10687000142), (4, 5343500071), (7, 3053428612), (13, 1644153868), (14, 1526714306), (26, 822076934), (28, 763357153), (52, 411038467), (91, 234879124), (107, 199757012), (182, 117439562), (214, 99878506), (364, 58719781), (428, 49939253), (749, 28536716), (1391, 15365924), (1498, 14268358), (2782, 7682962), (2996, 7134179), (5564, 3841481), (9737, 2195132), (19474, 1097566), (38948, 548783)]