21767504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 46270848

約数和(自身を除く): 24503344

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 337, 367, 674, 734, 1348, 1468, 2696, 2936, 3707, 4037, 5392, 5872, 7414, 8074, 14828, 16148, 29656, 32296, 59312, 64592, 123679, 247358, 494716, 989432, 1360469, 1978864, 2720938, 5441876, 10883752, 21767504]

約数ペア:

[(1, 21767504), (2, 10883752), (4, 5441876), (8, 2720938), (11, 1978864), (16, 1360469), (22, 989432), (44, 494716), (88, 247358), (176, 123679), (337, 64592), (367, 59312), (674, 32296), (734, 29656), (1348, 16148), (1468, 14828), (2696, 8074), (2936, 7414), (3707, 5872), (4037, 5392)]