21630208

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4482

約数の個数: 36

約数和(自身を含む): 45458560

約数和(自身を除く): 23828352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4447, 4864, 8894, 17788, 35576, 71152, 84493, 142304, 168986, 284608, 337972, 569216, 675944, 1138432, 1351888, 2703776, 5407552, 10815104, 21630208]

約数ペア:

[(1, 21630208), (2, 10815104), (4, 5407552), (8, 2703776), (16, 1351888), (19, 1138432), (32, 675944), (38, 569216), (64, 337972), (76, 284608), (128, 168986), (152, 142304), (256, 84493), (304, 71152), (608, 35576), (1216, 17788), (2432, 8894), (4447, 4864)]