21021704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238883}}^1$

素因数の和:238900

約数の個数: 16

約数和(自身を含む): 42999120

約数和(自身を除く): 21977416

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238883, 477766, 955532, 1911064, 2627713, 5255426, 10510852, 21021704]

約数ペア:

[(1, 21021704), (2, 10510852), (4, 5255426), (8, 2627713), (11, 1911064), (22, 955532), (44, 477766), (88, 238883)]