21133312

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23682368

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 607, 1024, 1088, 1214, 2048, 2176, 2428, 4352, 4856, 8704, 9712, 10319, 17408, 19424, 20638, 34816, 38848, 41276, 77696, 82552, 155392, 165104, 310784, 330208, 621568, 660416, 1243136, 1320832, 2641664, 5283328, 10566656, 21133312]

約数ペア:

[(1, 21133312), (2, 10566656), (4, 5283328), (8, 2641664), (16, 1320832), (17, 1243136), (32, 660416), (34, 621568), (64, 330208), (68, 310784), (128, 165104), (136, 155392), (256, 82552), (272, 77696), (512, 41276), (544, 38848), (607, 34816), (1024, 20638), (1088, 19424), (1214, 17408), (2048, 10319), (2176, 9712), (2428, 8704), (4352, 4856)]