21943024

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 60

約数和(自身を含む): 46771560

約数和(自身を除く): 24828536

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 131, 152, 232, 262, 304, 361, 464, 524, 551, 722, 1048, 1102, 1444, 2096, 2204, 2489, 2888, 3799, 4408, 4978, 5776, 7598, 8816, 9956, 10469, 15196, 19912, 20938, 30392, 39824, 41876, 47291, 60784, 72181, 83752, 94582, 144362, 167504, 189164, 288724, 378328, 577448, 756656, 1154896, 1371439, 2742878, 5485756, 10971512, 21943024]

約数ペア:

[(1, 21943024), (2, 10971512), (4, 5485756), (8, 2742878), (16, 1371439), (19, 1154896), (29, 756656), (38, 577448), (58, 378328), (76, 288724), (116, 189164), (131, 167504), (152, 144362), (232, 94582), (262, 83752), (304, 72181), (361, 60784), (464, 47291), (524, 41876), (551, 39824), (722, 30392), (1048, 20938), (1102, 19912), (1444, 15196), (2096, 10469), (2204, 9956), (2489, 8816), (2888, 7598), (3799, 5776), (4408, 4978)]