21991068

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 63141120

約数和(自身を除く): 41150052

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 107, 108, 132, 173, 198, 214, 297, 321, 346, 396, 428, 519, 594, 642, 692, 963, 1038, 1177, 1188, 1284, 1557, 1903, 1926, 2076, 2354, 2889, 3114, 3531, 3806, 3852, 4671, 4708, 5709, 5778, 6228, 7062, 7612, 9342, 10593, 11418, 11556, 14124, 17127, 18511, 18684, 21186, 22836, 31779, 34254, 37022, 42372, 51381, 55533, 63558, 68508, 74044, 102762, 111066, 127116, 166599, 203621, 205524, 222132, 333198, 407242, 499797, 610863, 666396, 814484, 999594, 1221726, 1832589, 1999188, 2443452, 3665178, 5497767, 7330356, 10995534, 21991068]

約数ペア:

[(1, 21991068), (2, 10995534), (3, 7330356), (4, 5497767), (6, 3665178), (9, 2443452), (11, 1999188), (12, 1832589), (18, 1221726), (22, 999594), (27, 814484), (33, 666396), (36, 610863), (44, 499797), (54, 407242), (66, 333198), (99, 222132), (107, 205524), (108, 203621), (132, 166599), (173, 127116), (198, 111066), (214, 102762), (297, 74044), (321, 68508), (346, 63558), (396, 55533), (428, 51381), (519, 42372), (594, 37022), (642, 34254), (692, 31779), (963, 22836), (1038, 21186), (1177, 18684), (1188, 18511), (1284, 17127), (1557, 14124), (1903, 11556), (1926, 11418), (2076, 10593), (2354, 9342), (2889, 7612), (3114, 7062), (3531, 6228), (3806, 5778), (3852, 5709), (4671, 4708)]