21056170624

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9676549}}^1$

素因数の和:9676580

約数の個数: 32

約数和(自身を含む): 44415364500

約数和(自身を除く): 23359193876

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9676549, 19353098, 38706196, 77412392, 154824784, 164501333, 309649568, 329002666, 619299136, 658005332, 1238598272, 1316010664, 2632021328, 5264042656, 10528085312, 21056170624]

約数ペア:

[(1, 21056170624), (2, 10528085312), (4, 5264042656), (8, 2632021328), (16, 1316010664), (17, 1238598272), (32, 658005332), (34, 619299136), (64, 329002666), (68, 309649568), (128, 164501333), (136, 154824784), (272, 77412392), (544, 38706196), (1088, 19353098), (2176, 9676549)]