21825496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3221}}^1$

素因数の和:3256

約数の個数: 48

約数和(自身を含む): 51423120

約数和(自身を除く): 29597624

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3221, 3388, 6442, 6776, 12884, 22547, 25768, 35431, 45094, 70862, 90188, 141724, 180376, 248017, 283448, 389741, 496034, 779482, 992068, 1558964, 1984136, 2728187, 3117928, 5456374, 10912748, 21825496]

約数ペア:

[(1, 21825496), (2, 10912748), (4, 5456374), (7, 3117928), (8, 2728187), (11, 1984136), (14, 1558964), (22, 992068), (28, 779482), (44, 496034), (56, 389741), (77, 283448), (88, 248017), (121, 180376), (154, 141724), (242, 90188), (308, 70862), (484, 45094), (616, 35431), (847, 25768), (968, 22547), (1694, 12884), (3221, 6776), (3388, 6442)]