21219296

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2263

約数の個数: 48

約数和(自身を含む): 48875904

約数和(自身を除く): 27656608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2203, 2408, 4406, 4816, 8812, 9632, 15421, 17624, 30842, 35248, 61684, 70496, 94729, 123368, 189458, 246736, 378916, 493472, 663103, 757832, 1326206, 1515664, 2652412, 3031328, 5304824, 10609648, 21219296]

約数ペア:

[(1, 21219296), (2, 10609648), (4, 5304824), (7, 3031328), (8, 2652412), (14, 1515664), (16, 1326206), (28, 757832), (32, 663103), (43, 493472), (56, 378916), (86, 246736), (112, 189458), (172, 123368), (224, 94729), (301, 70496), (344, 61684), (602, 35248), (688, 30842), (1204, 17624), (1376, 15421), (2203, 9632), (2408, 8812), (4406, 4816)]