21094439912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28975879}}^1$

素因数の和:28975905

約数の個数: 32

約数和(自身を含む): 48679478400

約数和(自身を除く): 27585038488

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28975879, 57951758, 115903516, 202831153, 231807032, 376686427, 405662306, 753372854, 811324612, 1506745708, 1622649224, 2636804989, 3013491416, 5273609978, 10547219956, 21094439912]

約数ペア:

[(1, 21094439912), (2, 10547219956), (4, 5273609978), (7, 3013491416), (8, 2636804989), (13, 1622649224), (14, 1506745708), (26, 811324612), (28, 753372854), (52, 405662306), (56, 376686427), (91, 231807032), (104, 202831153), (182, 115903516), (364, 57951758), (728, 28975879)]