21904900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4133}}^1$

素因数の和:4200

約数の個数: 36

約数和(自身を含む): 48442212

約数和(自身を除く): 26537312

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 4133, 5300, 8266, 16532, 20665, 41330, 82660, 103325, 206650, 219049, 413300, 438098, 876196, 1095245, 2190490, 4380980, 5476225, 10952450, 21904900]

約数ペア:

[(1, 21904900), (2, 10952450), (4, 5476225), (5, 4380980), (10, 2190490), (20, 1095245), (25, 876196), (50, 438098), (53, 413300), (100, 219049), (106, 206650), (212, 103325), (265, 82660), (530, 41330), (1060, 20665), (1325, 16532), (2650, 8266), (4133, 5300)]