21838322

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 16772110

約数列:

[1, 2, 11, 22, 31, 41, 62, 71, 82, 121, 142, 242, 341, 451, 682, 781, 902, 1271, 1562, 2201, 2542, 2911, 3751, 4402, 4961, 5822, 7502, 8591, 9922, 13981, 17182, 24211, 27962, 32021, 48422, 64042, 90241, 153791, 180482, 266321, 307582, 352231, 532642, 704462, 992651, 1985302, 10919161, 21838322]

約数ペア:

[(1, 21838322), (2, 10919161), (11, 1985302), (22, 992651), (31, 704462), (41, 532642), (62, 352231), (71, 307582), (82, 266321), (121, 180482), (142, 153791), (242, 90241), (341, 64042), (451, 48422), (682, 32021), (781, 27962), (902, 24211), (1271, 17182), (1562, 13981), (2201, 9922), (2542, 8591), (2911, 7502), (3751, 5822), (4402, 4961)]