21000480766

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1108907}}^1$

素因数の和:1109483

約数の個数: 16

約数和(自身を含む): 33413615856

約数和(自身を除く): 12413135090

約数列:

[1, 2, 17, 34, 557, 1114, 9469, 18938, 1108907, 2217814, 18851419, 37702838, 617661199, 1235322398, 10500240383, 21000480766]

約数ペア:

[(1, 21000480766), (2, 10500240383), (17, 1235322398), (34, 617661199), (557, 37702838), (1114, 18851419), (9469, 2217814), (18938, 1108907)]