21646976

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{13009}}^1$

素因数の和:13036

約数の個数: 32

約数和(自身を含む): 46445700

約数和(自身を除く): 24798724

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 13009, 26018, 52036, 104072, 169117, 208144, 338234, 416288, 676468, 832576, 1352936, 1665152, 2705872, 5411744, 10823488, 21646976]

約数ペア:

[(1, 21646976), (2, 10823488), (4, 5411744), (8, 2705872), (13, 1665152), (16, 1352936), (26, 832576), (32, 676468), (52, 416288), (64, 338234), (104, 208144), (128, 169117), (208, 104072), (416, 52036), (832, 26018), (1664, 13009)]