21809437048

素因数分解:

$2^3\times 7^2\times {\mathrm{1361}}^1\times {\mathrm{40879}}^1$

素因数の和:42260

約数の個数: 48

約数和(自身を含む): 47605168800

約数和(自身を除く): 25795731752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 1361, 2722, 5444, 9527, 10888, 19054, 38108, 40879, 66689, 76216, 81758, 133378, 163516, 266756, 286153, 327032, 533512, 572306, 1144612, 2003071, 2289224, 4006142, 8012284, 16024568, 55636319, 111272638, 222545276, 389454233, 445090552, 778908466, 1557816932, 2726179631, 3115633864, 5452359262, 10904718524, 21809437048]

約数ペア:

[(1, 21809437048), (2, 10904718524), (4, 5452359262), (7, 3115633864), (8, 2726179631), (14, 1557816932), (28, 778908466), (49, 445090552), (56, 389454233), (98, 222545276), (196, 111272638), (392, 55636319), (1361, 16024568), (2722, 8012284), (5444, 4006142), (9527, 2289224), (10888, 2003071), (19054, 1144612), (38108, 572306), (40879, 533512), (66689, 327032), (76216, 286153), (81758, 266756), (133378, 163516)]