21206768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1193}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 45305136

約数和(自身を除く): 24098368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1193, 1616, 2222, 2386, 4444, 4772, 8888, 9544, 13123, 17776, 19088, 26246, 52492, 104984, 120493, 209968, 240986, 481972, 963944, 1325423, 1927888, 2650846, 5301692, 10603384, 21206768]

約数ペア:

[(1, 21206768), (2, 10603384), (4, 5301692), (8, 2650846), (11, 1927888), (16, 1325423), (22, 963944), (44, 481972), (88, 240986), (101, 209968), (176, 120493), (202, 104984), (404, 52492), (808, 26246), (1111, 19088), (1193, 17776), (1616, 13123), (2222, 9544), (2386, 8888), (4444, 4772)]