21742732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 42230160

約数和(自身を除く): 20487428

約数列:

[1, 2, 4, 11, 22, 44, 121, 167, 242, 269, 334, 484, 538, 668, 1076, 1837, 2959, 3674, 5918, 7348, 11836, 20207, 32549, 40414, 44923, 65098, 80828, 89846, 130196, 179692, 494153, 988306, 1976612, 5435683, 10871366, 21742732]

約数ペア:

[(1, 21742732), (2, 10871366), (4, 5435683), (11, 1976612), (22, 988306), (44, 494153), (121, 179692), (167, 130196), (242, 89846), (269, 80828), (334, 65098), (484, 44923), (538, 40414), (668, 32549), (1076, 20207), (1837, 11836), (2959, 7348), (3674, 5918)]