21983192

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 29995048

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 127, 154, 254, 281, 308, 508, 562, 616, 889, 1016, 1124, 1397, 1778, 1967, 2248, 2794, 3091, 3556, 3934, 5588, 6182, 7112, 7868, 9779, 11176, 12364, 15736, 19558, 21637, 24728, 35687, 39116, 43274, 71374, 78232, 86548, 142748, 173096, 249809, 285496, 392557, 499618, 785114, 999236, 1570228, 1998472, 2747899, 3140456, 5495798, 10991596, 21983192]

約数ペア:

[(1, 21983192), (2, 10991596), (4, 5495798), (7, 3140456), (8, 2747899), (11, 1998472), (14, 1570228), (22, 999236), (28, 785114), (44, 499618), (56, 392557), (77, 285496), (88, 249809), (127, 173096), (154, 142748), (254, 86548), (281, 78232), (308, 71374), (508, 43274), (562, 39116), (616, 35687), (889, 24728), (1016, 21637), (1124, 19558), (1397, 15736), (1778, 12364), (1967, 11176), (2248, 9779), (2794, 7868), (3091, 7112), (3556, 6182), (3934, 5588)]