21432698

素因数分解:

$2^1\times 7^3\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 37920000

約数和(自身を除く): 16487302

約数列:

[1, 2, 7, 14, 49, 98, 157, 199, 314, 343, 398, 686, 1099, 1393, 2198, 2786, 7693, 9751, 15386, 19502, 31243, 53851, 62486, 68257, 107702, 136514, 218701, 437402, 1530907, 3061814, 10716349, 21432698]

約数ペア:

[(1, 21432698), (2, 10716349), (7, 3061814), (14, 1530907), (49, 437402), (98, 218701), (157, 136514), (199, 107702), (314, 68257), (343, 62486), (398, 53851), (686, 31243), (1099, 19502), (1393, 15386), (2198, 9751), (2786, 7693)]