21389546878

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1\times {\mathrm{35573}}^1$

素因数の和:37092

約数の個数: 32

約数和(自身を含む): 37958880960

約数和(自身を除く): 16569334082

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 1481, 2962, 10367, 20734, 35573, 42949, 71146, 85898, 249011, 300643, 498022, 601286, 1031617, 2063234, 7221319, 14442638, 52683613, 105367226, 368785291, 737570582, 1527824777, 3055649554, 10694773439, 21389546878]

約数ペア:

[(1, 21389546878), (2, 10694773439), (7, 3055649554), (14, 1527824777), (29, 737570582), (58, 368785291), (203, 105367226), (406, 52683613), (1481, 14442638), (2962, 7221319), (10367, 2063234), (20734, 1031617), (35573, 601286), (42949, 498022), (71146, 300643), (85898, 249011)]