21748832

素因数分解:

$2^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 27586720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 151, 224, 302, 604, 643, 1057, 1208, 1286, 2114, 2416, 2572, 4228, 4501, 4832, 5144, 8456, 9002, 10288, 16912, 18004, 20576, 33824, 36008, 72016, 97093, 144032, 194186, 388372, 679651, 776744, 1359302, 1553488, 2718604, 3106976, 5437208, 10874416, 21748832]

約数ペア:

[(1, 21748832), (2, 10874416), (4, 5437208), (7, 3106976), (8, 2718604), (14, 1553488), (16, 1359302), (28, 776744), (32, 679651), (56, 388372), (112, 194186), (151, 144032), (224, 97093), (302, 72016), (604, 36008), (643, 33824), (1057, 20576), (1208, 18004), (1286, 16912), (2114, 10288), (2416, 9002), (2572, 8456), (4228, 5144), (4501, 4832)]