About the Number

21521389968

21521389967 ← → 21521389969

2進数表記:10100000010110001100101100110010000

漢数字表記:二百十五億二千百三十八万九千九百六十八

素因数分解:

2 4 × 3 2 × 13 1 × 3023 1 × 3803 1

素因数の和:6853
約数の個数: 120
約数和(自身を含む): 64901596032
約数和(自身を除く): 43380206064

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 3023, 3803, 6046, 7606, 9069, 11409, 12092, 15212, 18138, 22818, 24184, 27207, 30424, 34227, 36276, 39299, 45636, 48368, 49439, 54414, 60848, 68454, 72552, 78598, 91272, 98878, 108828, 117897, 136908, 145104, 148317, 157196, 182544, 197756, 217656, 235794, 273816, 296634, 314392, 353691, 395512, 435312, 444951, 471588, 547632, 593268, 628784, 707382, 791024, 889902, 943176, 1186536, 1414764, 1779804, 1886352, 2373072, 2829528, 3559608, 5659056, 7119216, 11496469, 22992938, 34489407, 45985876, 68978814, 91971752, 103468221, 137957628, 149454097, 183943504, 206936442, 275915256, 298908194, 413872884, 448362291, 551830512, 597816388, 827745768, 896724582, 1195632776, 1345086873, 1655491536, 1793449164, 2391265552, 2690173746, 3586898328, 5380347492, 7173796656, 10760694984, 21521389968]

約数ペア:
[(1, 21521389968), (2, 10760694984), (3, 7173796656), (4, 5380347492), (6, 3586898328), (8, 2690173746), (9, 2391265552), (12, 1793449164), (13, 1655491536), (16, 1345086873), (18, 1195632776), (24, 896724582), (26, 827745768), (36, 597816388), (39, 551830512), (48, 448362291), (52, 413872884), (72, 298908194), (78, 275915256), (104, 206936442), (117, 183943504), (144, 149454097), (156, 137957628), (208, 103468221), (234, 91971752), (312, 68978814), (468, 45985876), (624, 34489407), (936, 22992938), (1872, 11496469), (3023, 7119216), (3803, 5659056), (6046, 3559608), (7606, 2829528), (9069, 2373072), (11409, 1886352), (12092, 1779804), (15212, 1414764), (18138, 1186536), (22818, 943176), (24184, 889902), (27207, 791024), (30424, 707382), (34227, 628784), (36276, 593268), (39299, 547632), (45636, 471588), (48368, 444951), (49439, 435312), (54414, 395512), (60848, 353691), (68454, 314392), (72552, 296634), (78598, 273816), (91272, 235794), (98878, 217656), (108828, 197756), (117897, 182544), (136908, 157196), (145104, 148317)]

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