21338348548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4513}}^1\times {\mathrm{9769}}^1$

素因数の和:14308

約数の個数: 36

約数和(自身を含む): 41058757180

約数和(自身を除く): 19720408632

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4513, 9026, 9769, 18052, 19538, 39076, 49643, 99286, 107459, 198572, 214918, 429836, 546073, 1092146, 1182049, 2184292, 2364098, 4728196, 44087497, 88174994, 176349988, 484962467, 969924934, 1939849868, 5334587137, 10669174274, 21338348548]

約数ペア:

[(1, 21338348548), (2, 10669174274), (4, 5334587137), (11, 1939849868), (22, 969924934), (44, 484962467), (121, 176349988), (242, 88174994), (484, 44087497), (4513, 4728196), (9026, 2364098), (9769, 2184292), (18052, 1182049), (19538, 1092146), (39076, 546073), (49643, 429836), (99286, 214918), (107459, 198572)]