21322312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2399}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 22741688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2399, 4444, 4798, 8888, 9596, 19192, 26389, 52778, 105556, 211112, 242299, 484598, 969196, 1938392, 2665289, 5330578, 10661156, 21322312]

約数ペア:

[(1, 21322312), (2, 10661156), (4, 5330578), (8, 2665289), (11, 1938392), (22, 969196), (44, 484598), (88, 242299), (101, 211112), (202, 105556), (404, 52778), (808, 26389), (1111, 19192), (2222, 9596), (2399, 8888), (4444, 4798)]