21157184

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 56

約数和(自身を含む): 44866560

約数和(自身を除く): 23709376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 137, 152, 254, 274, 304, 508, 548, 608, 1016, 1096, 1216, 2032, 2192, 2413, 2603, 4064, 4384, 4826, 5206, 8128, 8768, 9652, 10412, 17399, 19304, 20824, 34798, 38608, 41648, 69596, 77216, 83296, 139192, 154432, 166592, 278384, 330581, 556768, 661162, 1113536, 1322324, 2644648, 5289296, 10578592, 21157184]

約数ペア:

[(1, 21157184), (2, 10578592), (4, 5289296), (8, 2644648), (16, 1322324), (19, 1113536), (32, 661162), (38, 556768), (64, 330581), (76, 278384), (127, 166592), (137, 154432), (152, 139192), (254, 83296), (274, 77216), (304, 69596), (508, 41648), (548, 38608), (608, 34798), (1016, 20824), (1096, 19304), (1216, 17399), (2032, 10412), (2192, 9652), (2413, 8768), (2603, 8128), (4064, 5206), (4384, 4826)]