21852824

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 48201480

約数和(自身を除く): 26348656

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 521, 749, 856, 1042, 1498, 2084, 2996, 3647, 4168, 5243, 5992, 7294, 10486, 14588, 20972, 25529, 29176, 41944, 51058, 55747, 102116, 111494, 204232, 222988, 390229, 445976, 780458, 1560916, 2731603, 3121832, 5463206, 10926412, 21852824]

約数ペア:

[(1, 21852824), (2, 10926412), (4, 5463206), (7, 3121832), (8, 2731603), (14, 1560916), (28, 780458), (49, 445976), (56, 390229), (98, 222988), (107, 204232), (196, 111494), (214, 102116), (392, 55747), (428, 51058), (521, 41944), (749, 29176), (856, 25529), (1042, 20972), (1498, 14588), (2084, 10486), (2996, 7294), (3647, 5992), (4168, 5243)]