21285616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120941}}^1$

素因数の和:120960

約数の個数: 20

約数和(自身を含む): 44990424

約数和(自身を除く): 23704808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120941, 241882, 483764, 967528, 1330351, 1935056, 2660702, 5321404, 10642808, 21285616]

約数ペア:

[(1, 21285616), (2, 10642808), (4, 5321404), (8, 2660702), (11, 1935056), (16, 1330351), (22, 967528), (44, 483764), (88, 241882), (176, 120941)]