21935584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 47655216

約数和(自身を除く): 25719632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 101, 176, 202, 352, 404, 617, 808, 1111, 1234, 1616, 2222, 2468, 3232, 4444, 4936, 6787, 8888, 9872, 13574, 17776, 19744, 27148, 35552, 54296, 62317, 108592, 124634, 217184, 249268, 498536, 685487, 997072, 1370974, 1994144, 2741948, 5483896, 10967792, 21935584]

約数ペア:

[(1, 21935584), (2, 10967792), (4, 5483896), (8, 2741948), (11, 1994144), (16, 1370974), (22, 997072), (32, 685487), (44, 498536), (88, 249268), (101, 217184), (176, 124634), (202, 108592), (352, 62317), (404, 54296), (617, 35552), (808, 27148), (1111, 19744), (1234, 17776), (1616, 13574), (2222, 9872), (2468, 8888), (3232, 6787), (4444, 4936)]