21543186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{751}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 49379328

約数和(自身を除く): 27836142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 683, 751, 1366, 1502, 2049, 2253, 4098, 4506, 4781, 5257, 9562, 10514, 14343, 15771, 28686, 31542, 512933, 1025866, 1538799, 3077598, 3590531, 7181062, 10771593, 21543186]

約数ペア:

[(1, 21543186), (2, 10771593), (3, 7181062), (6, 3590531), (7, 3077598), (14, 1538799), (21, 1025866), (42, 512933), (683, 31542), (751, 28686), (1366, 15771), (1502, 14343), (2049, 10514), (2253, 9562), (4098, 5257), (4506, 4781)]