21340768

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12583}}^1$

素因数の和:12646

約数の個数: 24

約数和(自身を含む): 42810768

約数和(自身を除く): 21470000

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12583, 25166, 50332, 100664, 201328, 402656, 666899, 1333798, 2667596, 5335192, 10670384, 21340768]

約数ペア:

[(1, 21340768), (2, 10670384), (4, 5335192), (8, 2667596), (16, 1333798), (32, 666899), (53, 402656), (106, 201328), (212, 100664), (424, 50332), (848, 25166), (1696, 12583)]