21256884

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 62294400

約数和(自身を除く): 41037516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 29, 33, 36, 44, 54, 58, 66, 87, 99, 108, 116, 132, 174, 198, 261, 297, 319, 348, 396, 522, 594, 617, 638, 783, 957, 1044, 1188, 1234, 1276, 1566, 1851, 1914, 2468, 2871, 3132, 3702, 3828, 5553, 5742, 6787, 7404, 8613, 11106, 11484, 13574, 16659, 17226, 17893, 20361, 22212, 27148, 33318, 34452, 35786, 40722, 53679, 61083, 66636, 71572, 81444, 107358, 122166, 161037, 183249, 196823, 214716, 244332, 322074, 366498, 393646, 483111, 590469, 644148, 732996, 787292, 966222, 1180938, 1771407, 1932444, 2361876, 3542814, 5314221, 7085628, 10628442, 21256884]

約数ペア:

[(1, 21256884), (2, 10628442), (3, 7085628), (4, 5314221), (6, 3542814), (9, 2361876), (11, 1932444), (12, 1771407), (18, 1180938), (22, 966222), (27, 787292), (29, 732996), (33, 644148), (36, 590469), (44, 483111), (54, 393646), (58, 366498), (66, 322074), (87, 244332), (99, 214716), (108, 196823), (116, 183249), (132, 161037), (174, 122166), (198, 107358), (261, 81444), (297, 71572), (319, 66636), (348, 61083), (396, 53679), (522, 40722), (594, 35786), (617, 34452), (638, 33318), (783, 27148), (957, 22212), (1044, 20361), (1188, 17893), (1234, 17226), (1276, 16659), (1566, 13574), (1851, 11484), (1914, 11106), (2468, 8613), (2871, 7404), (3132, 6787), (3702, 5742), (3828, 5553)]