21202076

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16111}}^1$

素因数の和:16169

約数の個数: 24

約数和(自身を含む): 43309056

約数和(自身を除く): 22106980

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16111, 32222, 64444, 112777, 225554, 451108, 757217, 1514434, 3028868, 5300519, 10601038, 21202076]

約数ペア:

[(1, 21202076), (2, 10601038), (4, 5300519), (7, 3028868), (14, 1514434), (28, 757217), (47, 451108), (94, 225554), (188, 112777), (329, 64444), (658, 32222), (1316, 16111)]