21536104

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 19741496

約数列:

[1, 2, 4, 8, 107, 139, 181, 214, 278, 362, 428, 556, 724, 856, 1112, 1448, 14873, 19367, 25159, 29746, 38734, 50318, 59492, 77468, 100636, 118984, 154936, 201272, 2692013, 5384026, 10768052, 21536104]

約数ペア:

[(1, 21536104), (2, 10768052), (4, 5384026), (8, 2692013), (107, 201272), (139, 154936), (181, 118984), (214, 100636), (278, 77468), (362, 59492), (428, 50318), (556, 38734), (724, 29746), (856, 25159), (1112, 19367), (1448, 14873)]