21466048

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 56

約数和(自身を含む): 45516800

約数和(自身を除く): 24050752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 139, 152, 254, 278, 304, 508, 556, 608, 1016, 1112, 1216, 2032, 2224, 2413, 2641, 4064, 4448, 4826, 5282, 8128, 8896, 9652, 10564, 17653, 19304, 21128, 35306, 38608, 42256, 70612, 77216, 84512, 141224, 154432, 169024, 282448, 335407, 564896, 670814, 1129792, 1341628, 2683256, 5366512, 10733024, 21466048]

約数ペア:

[(1, 21466048), (2, 10733024), (4, 5366512), (8, 2683256), (16, 1341628), (19, 1129792), (32, 670814), (38, 564896), (64, 335407), (76, 282448), (127, 169024), (139, 154432), (152, 141224), (254, 84512), (278, 77216), (304, 70612), (508, 42256), (556, 38608), (608, 35306), (1016, 21128), (1112, 19304), (1216, 17653), (2032, 10564), (2224, 9652), (2413, 8896), (2641, 8128), (4064, 5282), (4448, 4826)]