About the Number

2021981247

2021981246 ← → 2021981248

2進数表記:1111000100001001111110000111111

漢数字表記:二十億二千百九十八万千二百四十七

素因数分解:

3 2 × 11 1 × 13 1 × 107 1 × 14683 1

素因数の和:14820
約数の個数: 48
約数和(自身を含む): 3463544448
約数和(自身を除く): 1441563201

約数列:
[1, 3, 9, 11, 13, 33, 39, 99, 107, 117, 143, 321, 429, 963, 1177, 1287, 1391, 3531, 4173, 10593, 12519, 14683, 15301, 44049, 45903, 132147, 137709, 161513, 190879, 484539, 572637, 1453617, 1571081, 1717911, 2099669, 4713243, 6299007, 14139729, 17281891, 18897021, 20424053, 51845673, 61272159, 155537019, 183816477, 224664583, 673993749, 2021981247]

約数ペア:
[(1, 2021981247), (3, 673993749), (9, 224664583), (11, 183816477), (13, 155537019), (33, 61272159), (39, 51845673), (99, 20424053), (107, 18897021), (117, 17281891), (143, 14139729), (321, 6299007), (429, 4713243), (963, 2099669), (1177, 1717911), (1287, 1571081), (1391, 1453617), (3531, 572637), (4173, 484539), (10593, 190879), (12519, 161513), (14683, 137709), (15301, 132147), (44049, 45903)]

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