21752528

素因数分解:

$2^4\times 7^1\times {\mathrm{359}}^1\times {\mathrm{541}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 48389760

約数和(自身を除く): 26637232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 359, 541, 718, 1082, 1436, 2164, 2513, 2872, 3787, 4328, 5026, 5744, 7574, 8656, 10052, 15148, 20104, 30296, 40208, 60592, 194219, 388438, 776876, 1359533, 1553752, 2719066, 3107504, 5438132, 10876264, 21752528]

約数ペア:

[(1, 21752528), (2, 10876264), (4, 5438132), (7, 3107504), (8, 2719066), (14, 1553752), (16, 1359533), (28, 776876), (56, 388438), (112, 194219), (359, 60592), (541, 40208), (718, 30296), (1082, 20104), (1436, 15148), (2164, 10052), (2513, 8656), (2872, 7574), (3787, 5744), (4328, 5026)]