21000396068364

素因数分解:

$2^2\times 3^1\times {\mathrm{1597}}^1\times {\mathrm{33997}}^1\times {\mathrm{32233}}^1$

素因数の和:67834

約数の個数: 48

約数和(自身を含む): 49034570707808

約数和(自身を除く): 28034174639444

約数列:

[1, 2, 3, 4, 6, 12, 1597, 3194, 4791, 6388, 9582, 19164, 32233, 33997, 64466, 67994, 96699, 101991, 128932, 135988, 193398, 203982, 386796, 407964, 51476101, 54293209, 102952202, 108586418, 154428303, 162879627, 205904404, 217172836, 308856606, 325759254, 617713212, 651518508, 1095825301, 2191650602, 3287475903, 4383301204, 6574951806, 13149903612, 1750033005697, 3500066011394, 5250099017091, 7000132022788, 10500198034182, 21000396068364]

約数ペア:

[(1, 21000396068364), (2, 10500198034182), (3, 7000132022788), (4, 5250099017091), (6, 3500066011394), (12, 1750033005697), (1597, 13149903612), (3194, 6574951806), (4791, 4383301204), (6388, 3287475903), (9582, 2191650602), (19164, 1095825301), (32233, 651518508), (33997, 617713212), (64466, 325759254), (67994, 308856606), (96699, 217172836), (101991, 205904404), (128932, 162879627), (135988, 154428303), (193398, 108586418), (203982, 102952202), (386796, 54293209), (407964, 51476101)]