21090006196

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1\times {\mathrm{11261}}^1$

素因数の和:11800

約数の個数: 48

約数和(自身を含む): 42517383552

約数和(自身を除く): 21427377356

約数列:

[1, 2, 4, 7, 14, 28, 211, 317, 422, 634, 844, 1268, 1477, 2219, 2954, 4438, 5908, 8876, 11261, 22522, 45044, 66887, 78827, 133774, 157654, 267548, 315308, 468209, 936418, 1872836, 2376071, 3569737, 4752142, 7139474, 9504284, 14278948, 16632497, 24988159, 33264994, 49976318, 66529988, 99952636, 753214507, 1506429014, 3012858028, 5272501549, 10545003098, 21090006196]

約数ペア:

[(1, 21090006196), (2, 10545003098), (4, 5272501549), (7, 3012858028), (14, 1506429014), (28, 753214507), (211, 99952636), (317, 66529988), (422, 49976318), (634, 33264994), (844, 24988159), (1268, 16632497), (1477, 14278948), (2219, 9504284), (2954, 7139474), (4438, 4752142), (5908, 3569737), (8876, 2376071), (11261, 1872836), (22522, 936418), (45044, 468209), (66887, 315308), (78827, 267548), (133774, 157654)]