21707786548

素因数分解:

$2^2\times 7^2\times {\mathrm{359}}^1\times {\mathrm{308507}}^1$

素因数の和:308884

約数の個数: 36

約数和(自身を含む): 44314089120

約数和(自身を除く): 22606302572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 359, 718, 1436, 2513, 5026, 10052, 17591, 35182, 70364, 308507, 617014, 1234028, 2159549, 4319098, 8638196, 15116843, 30233686, 60467372, 110754013, 221508026, 443016052, 775278091, 1550556182, 3101112364, 5426946637, 10853893274, 21707786548]

約数ペア:

[(1, 21707786548), (2, 10853893274), (4, 5426946637), (7, 3101112364), (14, 1550556182), (28, 775278091), (49, 443016052), (98, 221508026), (196, 110754013), (359, 60467372), (718, 30233686), (1436, 15116843), (2513, 8638196), (5026, 4319098), (10052, 2159549), (17591, 1234028), (35182, 617014), (70364, 308507)]